Home » » What is feature engineering?

What is feature engineering?

Just read a post from http://blog.bigml.com/2013/02/21/everything-you-wanted-to-know-about-machine-learning-but-were-too-afraid-to-ask-part-two/
What is Feature Engineering?
teachFeature Engineering is the Keyer_key
We’ll start out this time with a topic that is so important that it deserves an instructive example. In fact, Domingos calls it “easily the most important factor” in determining the success of a machine learning project, and I agree with him.
Suppose you have a dataset in which you have pairs of cities, coupled with a prediction of whether most people would consider the two cities to be comfortably drivable within a single day. You’ve got a nice database with the longitudes and latitudes for all of your cities, and so these are your input fields. Your dataset might look something like this (note that the values don’t correspond to actual city locations – they are random):
CITY 1 LAT.CITY 1 LNG.CITY 2 LAT.CITY 2 LNG.DRIVABLE?
123.2446.71121.3347.34Yes
123.2456.91121.3355.23Yes
123.2446.71121.3355.34No
123.2446.71130.9947.34No
And you expect to construct a model that can predict for any two cities whether the distance is drivable or not.
Probably not going to happen.
The problem here is that no single input field, or even any single pair of fields, is closely correlated with the objective. It is a combination of all four fields (the distance from one pair of geo-coordinates to the other), and a combination by a fairly complex formula, that is correlated with the input. Machine learning algorithms are limited in the way they can combine input fields; if they weren’t, they could totally exhaust themselves trying everything.
But all is not lost! Even if the machine doesn’t have any knowledge about how longitudes and latitudes work, you do. So why don’t you do it? Apply the formula to each instance and get a dataset like this (again, random values):
DISTANCE (MI.)DRIVABLE?
14Yes
28Yes
705No
2432No
Ah. Much more manageable. This is what we mean by feature engineering. It’s when you use your knowledge about the data to create fields that make machine learning algorithms work better.
Domingos mentions that feature engineering is where “most of the effort in a machine learning project goes”. I couldn’t agree more. In my career, I would say an average of 70% of the project’s time goes into feature engineering, 20% goes towards figuring out what comprises a proper and comprehensive evaluation of the algorithm, and only 10% goes into algorithm selection and tuning.
How does one engineer a good feature? One good rule of thumb is to try to design features where the likelihood of a certain class goes upmonotonically with the value of the field. So in our example above, “drivable = no” is more likely as distance increases, but that’s not true of longitude or latitude. You probably won’t be able to engineer a feature where this is strictly true, but it is a good feature even if it is somewhat close to that ideal.
Typically, there isn’t a single data transformation that makes learning immediately easy (as there was in the above example), but at least as typically there are one or more things you can do to the data to make machine learning easier. There’s no formula for this, and a lot of it happens by itch and by twitch. BigML attempts to do some of the easy ones for you (automated date parsing is an example) but far more interesting transformations can happen with detailed knowledge of your specific data. Great things happen in machine learning when human and machine work together, combining a person’s knowledge of how to create relevant features from the data with the machine’s talent for optimization.

100 Comments:

Maria Lena said...

Feature engineering is the way toward utilizing space information to separate highlights from crude information through information mining procedures. These highlights can be utilized to improve the exhibition of AI calculations. Highlight building can be considered as applied AI itself. law essay writing service

Ariel Wilson said...

I am a writer in and provide the lecture on law dissertation topics and your blog is really helpful for me so thank you so much for sharing your experience with us.

Unknown said...

Amazing post, Thanks for sharing this wonderful information!
Top Dissertation Writing Services UK

Rona Wedmore said...

Feature engineering is quite interesting and fun to do as I have studied it all my life, however I took a different elective this semester of accounting for more credit hours and have no idea what to do as I have an assignment to write up. After weeks of despair and searching I googled best accounting essay writers UK and found my knight in shining armor to save me from this trouble. Now I have the best grade and can relax easily.

Craigslist Posting Service for Car Dealers said...

Great information, i was searching of this kind of information, thank you very much for sharing with us.

Craigslist Posting Service for Car Dealers |

Marriage Garden in Gwalior said...

Thank you very much for writing this blog. It was very easy to understand.

Marriage Garden in Gwalior |

sri said...

Thanks for sharing this.,
Leanpitch provides online training in CSPO during this lockdown period everyone can use it wisely.
Join Leanpitch 2 Days CSPO Certification Workshop in different cities.

CSPO certification

Product owner certification

Dakota Leest said...

Such an interesting story. You are a great writer. Keep up sharig valuable pieces of information. You can also check out the string theory essay The article is also very enlightening.

Isabell Kiral said...

This field has a big scope and new students can adjust to it easily. If you are worried about your future, you should join this field and enjoy a secure future. Masters dissertation writing service.

sri said...


Thanks for sharing this.,
Leanpitch provides crash course in Brain hacks using NLP everyone can use it wisely.
NLP training

NLP crash course

My Dissertations said...

You have finished certain solid focuses there. I did some examination regarding the matter and found that nearly everybody will concur with your blog. Do My Dissertation For Me

zoey said...

How does one go about designing an excellent feature? One excellent rule of thumb is to try to develop features that increase the possibility of a certain class in lockstep with the field's
Finance Writing Services
value. In our example, “drivable = no” becomes more likely as distance grows, but this is not the case for longitude or latitude.

Unknown said...

I ordered a diploma work in logistics from https://ratewritingservices.com/review/essaysprofessors-com-review.html In addition, I immediately ordered a speech with a presentation. I needed at least 80% originality

Writing-Service said...

Hello, I am Eva, and my essay critiquing these problems I am writing now includes feature engineering. I will be glad to communicate with you on this issue.

robertcooper said...

I'm happy to read your blog. I often use additional services for my university studies. I started using the custom essays service. It helps me be a better student. I can get help with essays at any time.

Liam said...

Running out of time? Struggling to understand the homework questions? Is it too tough for you to master the key concepts? All these problems have one solution – assistance from homework experts. Students often ask us “should I take my online class?” And, we always respond “yes”. Instead of continuing the struggle without any improvement will lead to inevitable failure. Thus, we always advice young minds to find a mentor who can help in finishing their task within the deadlines and guiding with the subject as well. If you were confused until now, we hope that this passage has cleared your doubts.

modular partition for office said...

modular partition for office are a configuration of walls that are pre-assembled into your desired design. These Industrial Doors systems can then be quickly put into place when and where a private office, meeting room, or conference room is needed.

James Smith said...

If you’d like to guest post in the "submit guest post" + "fitness", below are some blogs that are willing to accept your post. If you’re looking for blogs outside of the finance niche, you cancheck out our list of blogs that accept guest posts in other niches.

Unknown said...

We are not Amazon. This website is for information purposes only. For more help, visit
amazon.com/mytv
amazon code
amazon com code
amazon.com/code
amazon.com/us/code

Unknown said...

It is important to remember that Amazon Prime Video is not compatible with every streaming device. Perhaps this is due to the fact that Amazon Prime Video is still relatively new. The service is still available on many devices.
amazon.com/us/code
amazon code
www.amazon.com/code
prime video.com/mytv
amazon com code

Racesite Pro said...

Hi Good day
It was really useful for me
Thanks for putting it on your site
I come to your site every week – thank you 경마사이트

Totopick Pro said...

Hi there, yeah this post is truly nice and I have learned
lot of things from it about blogging. thanks. 사설토토

traininginstitute said...

I want to say thanks to you. I have bookmark your site for future updates.
data science training

reword my essay said...

If you had been wondering if you essays or assignments can be given a cosmetic makeover to make it more impressive and out of league. reword my essay is the online service that makes it happen. These applications keep the content and soul of the paper unchanged but replace words with an impressive vocabulary and better references and citations. Various services available on internet can assist students in their essay writing projects.

Jennifer Garner said...

Can’t find online exam help? Just tell us Take My Exam For Me and pay someone to do my online exam with take your class online.

Essien said...


Great article! This is the kind of info that are meant to be shared around the internet. I'm interesting updates. Come on over and talk over with my site wusto post utme past questions for medicine

john nicholas said...

The HP smart Tank 4520 is ideally suited for home and working environment use, hp smart app for mac, it appearances somewhat different from different other ink tank printers cause it's uniquely created a particular sort of undertaking. if you check archives in an incredible arrangement, this is the best printer for you.

yadongbiz said...

I read this article fully regarding the resemblance of most recent and preceding technologies, it’s amazing article. 한국야동

Also do visit may web page check this link 야설

koreayadongcom said...

You are so awesome! I don’t suppose I have read anything like this before. So wonderful to discover another person with genuine thoughts on this issue. Really.. many thanks for starting this up. This site is something that’s needed on the web, someone with a little originality. 야동

Also do visit may web page check this link 국산야동

japanyadongcom said...

Greetings! Very useful advice within this article! It’s the little changes that will make the biggest changes. Thanks for sharing! 국산야동

Also do visit may web page check this link 한국야동

chinayadongnet said...

I have to thank you for the efforts you’ve put in penning this blog. I am hoping to check out the same high-grade content from you in the future as well 한국야동

Also do visit may web page check this link 야동

James K. said...

ij.start.cannon setup process for every Canon model is almost similar, however the download through http //ij.start.cannon or https //ij.start.cannon and installation process may differ.canon.com/ijsetup is a website to download Canon printer drivers, you can also visit canonsetup-canon.com/ijsetup website for same.Some factors need to be in mind while choosing an inkjet printer for you. Later, you can easily set up your Canon printer through drivers from wireless connection, USB, and a few components.

Lillian J. Turner said...

Nice Blog. Thanks for sharing with us. Such amazing information.

MyBlogger Club

Guest Posting Site

Best Guest Blogging Site

Guest Blogger

totosafeguide said...

Keep up the good work , I read few blog posts on this website and I believe that your weblog is rattling interesting. Thank you for this effort, I will give you 5 stars for this. Kindly check the link below Thank you! Feel free to visit my website; 먹튀검증

casinositetop 카지노사이트 said...

Thanks for sharing the informative post. If you are looking the Linksys extender setup guidelines . so, we have a best technical expert for handlings your quires. for more information gets touch with us Feel free to visit my website; 바카라사이트

james said...

We offer an online clothing website to the people at a cheap price.

Alley John said...

What does the articulation "enduring getting the hang of" mean? As indicated by Cambridge Dictionary, the term insinuates the most widely recognized approach to getting data and capacities generally through your life, routinely to help you with dealing with your business fittingly. Check this  Last Minute Assignment Help

John said...

Phantom Writing is a Book Publishing Company that helps authors in anything and everything related to literature. We serve authors globally in writing, Book Writing Services, book editing services, proofreading, book publishing services, book cover designer, printing, Book marketing services, translations, and more. From inception to fruition, our cadre of veteran ghostwriters, editors, and literature aficionados are there to ensure each project reaches the pinnacle of its potential to make the most of the author's efforts.

assignmentauthors said...

They are stippled and can trap light, with solar cell that do absorbs the photons (Huang, et al 2016). Hence can be a perfect decorative material to suit the environment of the premise that are involved.
religion assignment help
write my case study
cyber security science assignment help
capstone project help
article writing services
content writer online
content writing services
freelance writer for hire online
ghost writer for hire
write my assignment

Professional Course said...

Thank you for your message. I've been thinking about writing a very similar article for the last few weeks, I'll probably keep it short and to the point and link to this article instead if that's interesting. Thank you.

Business Analytics Course in Ernakulam

myassignmenthelp said...

Our Assignment Help service acts as an easy and convenient method to select for experts’ help for completing any academic task within the defined time. So, if you have stress for your assignment, hire our professional writers.
Chemical Engineering Assignment Help

MalaysiaAssignmentHelp said...

Thanks to your article now I know what is feature engineering
If you are searching for assignment helper in Malaysia then you can hire assignment helper from Malaysia assignment help to get the best of the best assignments help services in Malaysia and that too at very low rates.

Nelson Lima said...

Hire a professional academic writer for your assignment solutions. qqi assignments have Phd thesis writers that provide thesis writing services to Ireland students and help them in completing their assignments on time. So, don't hesitate and contact us anytime.

Do Assignment Help said...

Wow! Great blog you posted here. Easy language and information contact, Thank you for sharing it with us. I am also here to promote my Assignment help web page organically. So kindly read my web page and let me know if you think there are any issues you found in my page.

james said...

Can you do my spss assignment? we provide SPSS assignment help to students at affordable prices. Our ambition is to assist students with their needed SPSS assignments. There is no deadline that can stop our experts from delivering quality SPSS assignment help to the students.
For more info- Get Assignment Help Online.

singaporetranslators said...

Translation services of language and document is very tricky that’s need high level of accuracy and knowledge as per client view we all want most accurate and reliable translation services Singapore Transaltors is an singapore registered translation companies and provide translation services last 20 years that have 500+ professionals translators team who are capable to translate document in 200+ different language they understood the client requirement & provides accurate translation services.

singapore assignment help said...

Wow, such an awesome blog you have written there and you and I get exactly what information. university assignment help

Nelson Lima said...

Do you get stressed out while preparing assignments or does assignment work bother you? if yes, then end your worry and take QQi assignment help. We are here to help you and provide assignment help service to Ireland students and make them stress-free from their assignment burden at a low cost with the help of top subject experts.

Great Assignment Helper said...

In today’s world people are very much stucked in their personal works, same is happening with the students that’s why we have strated the services of the Law assignment help . Connect with us to avail this premium offer.

Sophia Grace said...

Global Biometric System Market Report and Forecast 2022-2027’, gives an in-depth analysis of the global Biometric System Market, assessing the market based on its segments like authentication types and technologies, offerings, types, verticals, and major regions. The report tracks the latest trends in the industry and studies their impact on the overall market. It also assesses the market dynamics, covering the key demand and price indicators, along with analysing the market based on the SWOT and Porter’s Five Forces models. The rapid digitisation across major end-use sectors and the growing incidences of digital fraud are propelling the growth of the market for biometric system.





Here are some more refrence of reports please check : Asia Pacific Vaccine Market, Micro Inverter Market, Albumin Market, Middle East and Africa Cybersecurity Market,Security Robots Market, Learning Management System Market, States Flooring Market, Sports and Energy Drinks Market, Brazil Healthcare, Sterilisation Services Market, Media Monitoring Tools Market

assignment helper said...

Thanks For Visit my blog I agree with the majority of the points in this Blog. assignment helper malaysia

EIbass said...

what a fantastic contents you have here, which offers solutions to challenging issues, and contains brief explanations that makes complex ideas simple to grasp, I commend your effort towards these unilag mba past question 2022

Sruthi Karan said...

Great blog! Thanks for your excellent post and it was really helpful for me. Good work keep doing!
Abogado De Divorcio En Virginia
Abogado De Trafico En Virginia

SOIL MODIFICATION in Houston said...

Quality should never be compromised on building sites, and neither should the need for unneeded repairs. Your soil's issues, SOIL MODIFICATION in Houston as its high plasticity

Middle East esports in Dubai said...

Prepare to be amazed as you engage in a series of thrilling contests with athletes from across the world at the 4Middle East esports in Dubai
. You can count on an exciting UAE esports in Dubai
at the Dubai gaming competition that you won't soon forget thanks to our first-rate servers and knowledgeable referees. Start planning and making a

Trade advisory services in Dubai said...

It's a good thing that Tacb is there for you whenever you are in need of a commercial loan.We understand the importance of funding your business and helping it grow by providing Trade advisory services in Dubai trusted partners and access to all types of lending options. With our knowledge and experience, we can help you find the perfect solution to meet your needs.

enough info said...

I'd like to express my gratitude to you for giving us with this critical information.
how to grow basil steps and tips

karate classes in Dubai said...

The best karate schools in Dubai can afford to pay for training that is customised for both new students and those who are already enrolled and working very hard to advance their skills. In organisational classrooms, individuals with varying degrees of competence can collaborate and grow as artists by being near to one another.

Preslin said...

Nice informative article. The picture in the blog looks funny and interesting. Thanks for sharing this blog. Keep sharing more informative blogs. DUI Attorney Manassas VA

EIbass said...

Your webpage contains such a useful data and has lovely designs and it's quite relevant aau institute of education application form

peter john said...

Industry Leading Degassing Solution Hasten Cleanse We are a company that specializes in degassing agents and equipment,

envirosteam said...

It highlights the importance of having accurate location information in order to make reliable predictions. With the right tools and techniques, this data could potentially be used to inform travel planning and decision-making. Additionally, regular Upholstery Cleaning Ottawa is crucial for maintaining the cleanliness and hygiene of your home, especially if you frequently travel between cities.

Unknown said...
This comment has been removed by the author.
BCL GLOBIZ said...

Great job on your blog!

BCL GLOBIZ
Free Zone Company Formation in Dubai UAE

Unknown said...
This comment has been removed by the author.
Anonymous said...

Extremely pleasant article, I good work. 토토홀리검증목록

alfitracomputersseo said...

A Hub is a central system through which every device that is connected get commands, such as switching on the lights inside at a specific time or regulating the thermostat in anticipation of your arriving at home. Most home automation systems are connected to a Hub. Installing smart appliances that can be controlled by your home's automation centre helps you create a smart or connected home. Home Automation Company in Dubai

Anonymous said...

This guide provides a comprehensive list of Diablo 4 Gems, a detailed breakdown of the crafting process and the associated costs in order to help players optimize gameplay. List of Diablo4 Gems: Crafting cost and bonuses

Joseanthony said...

Hi! We offer you a place where you hire well-qualified writers for your Computer Science Assignment Help in the UAE. With a team of experienced professionals, this platform provides comprehensive support in various aspects of computer science assignments. Whether it's programming, algorithms, data structures, or software development, the experts offer personalized assistance tailored to individual requirements. They possess in-depth knowledge of programming languages and tools, ensuring high-quality solutions and timely delivery. This service aims to enhance students' understanding and problem-solving skills in the field of computer science. By leveraging their expertise, Computer Science Assignment Help empowers learners to excel in their coursework and achieve academic success.

ishan said...

parmish verma's acting career took off with the Punjabi film "Rocky Mental" in 2017, where he played the lead role.

Jennifer Walsh said...

I appreciate the insightful explanation of feature engineering in your blog post. Feature engineering plays a crucial role in improving the performance of machine learning models. Just like Promo Codes enhance the value of a purchase, feature engineering enhances the predictive power of data. Thank you for shedding light on this important aspect of data science!

shira said...

Facing issues while writing an assignment? In that respect, we at Global Assignment Expert offer a wide range of assignments like management assignment help, Computer Network Assignment Help, Programming Assignment Help, engineering assignment help, and so on. Here at Global Assignment Help, you can get exceptional quality and comprehensive support from our highly trained academic professionals. We maintain a significant level of originality and quality in our content.

robinsonraw said...

The topic is fresh and new to me. In fact it is more interesting to read. The neat narration of the topic is the highlight of the post. Great writing skill from the author. Thanks for sharing this wonderful post. Keep sharing more interesting and informative blogs like thisIndian Divorce Lawyers Middlesex NJ

Rasheed Khan said...

Nice post! Thanks for taking the time in sharing this great article in here.
Visit us for getting Online CBSE tutoring in all countries. Thank You!

curbsidecar said...

Absolutely, starting with a clear and instructive example can greatly enhance the understanding of important topics. Just like how a professional Car Wash services in Ottawacan bring out the best in your vehicle's appearance, providing a clear and shining example sets the foundation for learning and comprehension.

hastencatering said...

Addressing a crucial topic is a promising beginning. Likewise, ensuring the well-being and nourishment of workers through Remote-site catering services in Pecos Texas is equally significant in remote work environments.

Preslin said...

Nice interesting post. Thanks to the author for sharing this good post. Keep sharing more good blogs. Traffic Lawyer Hopewell VA

arthor said...

I'm in awe of your blog's brilliance. Your ability to tackle diverse topics with precision and clarity sets you apart.New York Divorce Statutes

Ava Smith said...
This comment has been removed by the author.
Ava Smith said...

Thanks for sharing this post. Essay Writing Services in Sydney

olsen lisa said...

Your article plays a crucial role in spreading that awareness. Keep up the fantastic work, and I look forward to reading more from you in the future!
Are you an Australian student struggling with finance assignments? You’re not alone. Finance is a challenging subject, and sometimes you need a helping hand to navigate through complex topics. Fortunately, we offer top-quality assistance to students who need help with their finance assignment help. we offer top-notch assistance in finance assignments. Our experts have a deep understanding of the field and we ensure high-quality work within the given deadline.

thomas said...

Amazing, Your blogs are really good and informative. You’ve got a nice database with the longitudes and latitudes for all of your cities, and so these are your input fields. Your dataset might look something like this (note that the values don’t correspond to actual city bankrupty attorney near me, I got a lots of useful information in your blogs. It is very great and useful to all. Keeps sharing more useful blogs..

electra dubai said...

Unraveling the essence of feature engineering—a pivotal concept in data science! Just like the streamlined efficiency you'll find with Omnium Electric Dubai where electrical solutions are engineered for seamless performance. Elevate both your data understanding and your home's functionality with insights into features and cutting-edge electrical systems!

sharonpaul said...

I'm a fan of your book reviews. Your insights help me discover new reads I wouldn't have found otherwise.I've been struggling with finding balance in my life, and your post on prioritising self-care was exactly what I needed to read. Thank you!
Domestic Violence Help New Jersey
Ayuda Violencia Doméstica Nueva Jersey

sopfiaa said...

Such a creative blog i have ever seen.Abogado Invadiendo de Condado Essex.The most informative post.

jhon carry said...

Thank you for sharing this informative blog with us. Your blog is very useful for us. Our Study Abroad Program is an educational initiative that provides students with the opportunity to pursue academic, cultural, and personal growth experiences in a foreign country. This programs is typically offered by educational institutions, universities, and organizations, and they enable students to temporarily relocate to another country for a specific period, usually a semester or academic year, to engage in various academic pursuits while immersing themselves in a new cultural and social environment.

leonardoleo21 said...

Understanding feature engineering's pivotal role in machine learning is crucial, as highlighted in this insightful post. Leveraging domain knowledge to transform data enhances algorithm performance, emphasizing the collaborative power of human expertise and machine optimization.
Ley Divorcio y Familia Nueva York

Antony said...

A federal criminal defense lawyer in New Jersey specializes in defending people against federal charges, such as those involving drugs, white-collar crimes, and cybercrimes. They skillfully contest evidence, closely examine legal processes, and represent clients in federal court, guaranteeing that their rights and liberties are upheld throughout the legal process, thanks to their in-depth understanding of federal laws.
New Jersey Federal Criminal Defense Lawyer

zyairkhan said...

Effective feature engineering requires a deep understanding of the dataset, domain knowledge, and the specific requirements of the machine learning task. It is often an iterative process, where the impact of different features on model performance is continuously evaluated and refined. Well-engineered features can significantly enhance the predictive power and generalization ability of machine learning models.chapter 7 bankruptcy lawyers near me

coffeesupplier said...

Delving into the significance of feature engineering is crucial for data enthusiasts! Starting with an instructive example makes the learning process even more enriching. As you explore this essential topic, ensure your study sessions are accompanied by the aromatic inspiration of coffee beans dubai—a perfect pairing for data-driven insights!





jones said...

Thank you for sharing this article.Abogados Criminal en el Condado de Prince William

christina said...

Passionate Criminal Lawyer Fairfax VA, dedicated to protecting your rights and ensuring a fair legal process. With a proven track record of success, I specialize in navigating complex criminal cases with expertise and determination. Your defense is my priority, and I strive for justice with unwavering commitment. Trust in my experience to safeguard your future in the face of legal challenges.

Morris said...

This blog posts are more interesting and impressive. Cheers!

Genesis said...

This post was good. You’re going to be a famous blogger.

Laughlin said...

Absolutely a wonderful stories you made here. Cheers for this blog.

Ibrahim said...

I will be sure to read more of this useful magnificent info

Rob said...

Awesome and entertaining article. I support you.

Lertson said...

Entertaining article. I support you. Keep on writing dude, Thankyou!

breekelly said...

The Grand all gta games for android has not only showcased the technical prowess of mobile devices but also redefined the expectations for console-quality gaming on the go.

rakesh9509 said...

Dummy schools in Jaipur are unaccredited institutions that operate without proper oversight or educational standards. They often deceive students and parents by offering subpar education or fraudulent qualifications. Such establishments undermine the integrity of the educational system and pose risks to the well-being of students. Authorities aim to identify and shut down these illegitimate operations to uphold educational quality and protect the community.

Popular Posts