Create a Stack Overflow(ish) private instance for student projects. rev 2020.12.2.38097, The best answers are voted up and rise to the top. What is syntax highlighting and how does it work? The 2nd case can occur if you build a tree using only a subset of features. But if you cannot find a Stack Exchange site in your area of interest, we have a place where you can propose one. Visit Stack Exchange Nico, I think what AN6U5 is saying is specifically for decision trees it works fine, because the tree would split on dog,cat,mouse or 1,2,3 and the meaning of the "cat" vs "2" is not important for a tree (think about the way it splits). site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. In these cases, I typically employ one-hot-encoding followed by PCA for dimensionality reduction. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Are answers that just contain links elsewhere really “good answers”? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How to avoid boats on a mainly oceanic world? The disadvantage is that for high cardinality, the feature space can really blow up quickly and you start fighting with the curse of dimensionality. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Is the Stack Exchange engine that powers Stack Overflow available to download or install internally for an enterprise or company? How do people recognise the frequency of a played note? What does the phrase, a person with “a pair of khaki pants inside a Manila envelope” mean.? Provide details and share your research! Are there certain algorithms or situations in which one has advantages/disadvantages with respect to the others? how can we remove the blurry effect that has been caused by denoising? LabelEncoder can turn [dog,cat,dog,mouse,cat] into [1,2,1,3,2], but then the imposed ordinality means that the average of dog and mouse is cat. Visit Stack Exchange or only English? What HTML tags are allowed on Stack Exchange sites? Data Science Stack Exchange is a question and answer site for Data science professionals, Machine Learning specialists, and those interested in learning more about the field. Namely the two categories of model we will be considering are: Let's consider when to apply OHE and when to apply Label Encoding while building tree based models. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Should hardwood floors go all the way to wall under kitchen cabinets? There are three tiers - Basic, Business, and Enterprise. @Binarytales Most of our major announcements are posted to. I find that the judicious combination of one-hot plus PCA can seldom be beat by other encoding schemes. Visit Stack Exchange How to perform feature selection on dataset with categorical and numerical features? Why did the scene cut away without showing Ocean's reply? @RobertCartaino multilanguage is possible? Note: Some of the explanation has been referenced from How to Win a Data Science Competition from Coursera. How can I have my own Stack Exchange site? Visit Stack Exchange Pricing depends on the requirements and hosting arrangements needed by the customer. Visit Stack Exchange Visit Stack Exchange Best way to let people know you aren't dead, just taking pictures? We definitely want to offer it in Enterprise, but Documentation is still early in development, so we want to give the Documentation team time to get it right in public beta... and then we'll look at a timeline to incorporate it into our Enterprise product. Are there any other encoding schemes you use for specific/edge cases? Stack Overflow RAM: 1.5 TB • DB size: 2.8 TB. What do I do to get my nine-year old boy off books with pictures and onto books with text content? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange Is it considered offensive to address one's seniors by name in the US? Thanks for contributing an answer to Stack Overflow! Enterprise does not have dedicated support staff for non-English audiences. Thanks for contributing an answer to Stack Overflow! Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Who first called natural satellites "moons"? Adding a smart switch to a box originally containing two single-pole switches. Provide details and share your research! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to run a private Stack Exchange-like site? When the number of categorical features in the dataset is huge: One-hot encoding a categorical feature with huge number of values can lead to (1) high memory consumption and (2) the case when non-categorical features are rarely used by model. Please be sure to answer the question. Visit Stack Exchange Visit Stack Exchange Stack Overflow for Teams is a private version of Stack Overflow, to help teams collaborate, move faster, and share knowledge amongst themselves in a secure environment. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange, Careers, Meta RAM: 768 GB • DB size: 3.9 TB. Visit Stack Exchange What should I do? Visit Stack Exchange Are there any estimates for cost of manufacturing second if first JWST fails? In the case of something like logistic regression, the values are part of an equation since you multiply the weight*values so it could cause training issues and weight issues given that dog:1 and cat:2 has no numeric 1*2 relationship (though it can still work with enough training examples and epochs). Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange Handling categorical features in Factorization Machines algorithm - Feature Hashing vs. One-Hot encoding, Mass convert categorical columns in Pandas (not one-hot encoding), Pandas categorical variables encoding for regression (one-hot encoding vs dummy encoding), Array of categorical variables vs one-hot encoding. Visit Stack Exchange Does your organization need a developer evangelist? @AN6US, can you eloborate your point about "orthogonal vector space"? If you prefer a more public-facing site, we have 150+ sites to help support your developer community. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Integral solution (or a simpler) to consumer surplus - What is wrong? Visit Stack Exchange How can we dry out a soaked water heater (and restore a novice plumber's dignity)? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You can compare the tiers to see which is the best fit for you on the plans page. 3 elasticsearch servers RAM: 196GB • Load balanced. One-Hot Vector representation vs Label Encoding for Categorical Variables. Stack Overflow for Teams is now available! "Area 51" is a community-driven process where groups of experts come together to build new Q&A sites that work just like Stack Overflow. read more about the site proposal process here, Stack Overflow Documentation project was stopped, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…. 1 live 1 fail over Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange Visit Stack Exchange PCA finds the linear overlap, so will naturally tend to group similar features into the same feature. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Meta Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. @Oray I don't see a reason the software couldn't be used for a non-English audience, but translating the UI to other languages is not currently on our roadmap. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Visit Stack Exchange For example, if you have 9 numeric features and 1 categorical with 100 unique values and you one-hot-encoded that categorical feature, you will get 109 features. Do PhD students sometimes abandon their original research idea? @selig, There is an (pseudo) Educational version of Teams now. 3 tag engine servers RAM: 64GB. Making statements based on opinion; back them up with references or personal experience. 2 Haproxy servers. Where can I get a Stack Overflow-like site to use as my company's knowledge base? Thanks! To learn more, see our tips on writing great answers. Visit Stack Exchange Visit Stack Exchange Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Are there any estimates for cost of manufacturing second if first JWST fails? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack overflow is what happens when an architecture with a bounded stack tries to increment its stack pointer beyond its maximum possible value. I think Stack Exchange's engine is very great and could be very cool to use for internal enterprise patterns and practices, like the engine of Wikipedia. Visit Stack Exchange While AN6U5 has given a very good answer, I wanted to add a few points for future reference. I have been building models with categorical data for a while now and when in this situation I basically default to using scikit-learn's LabelEncoder function to transform this data prior to building a model. Business and Enterprise tiers offer additional features like support for SSO, reporting, and integration with other tools and systems. Why is a third body needed in the recombination of two hydrogen atoms? The Difference between One Hot Encoding and LabelEncoder? Visit Stack Exchange Firing mods and forced relicensing: is Stack Exchange still interested in cooperating with the community? Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Can I run an intranet version of Stack Overflow? Shouldn't it be "splits", not "spilts"? Use of nous when moi is used in the subject. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Provide details and share your research! Please be sure to answer the question. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Ubuntu 20.04: Why does turning off "wi-fi can be turned off to save power" turn my wi-fi off? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Is there any solution beside TLS for data-in-transit protection? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange It only takes a minute to sign up. rev 2020.12.2.38097, The best answers are voted up and rise to the top, Data Science Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You can deal with the 1st case if you employ sparse matrices. Sometimes this is a hard limit, such as on the 6502, which had a 256-byte stack at a fixed location in memory and a one-byte stack pointer. We are interested in promoting the use of sites like StackOverflow with students. Thank you very much - this is very helpful and makes a lot of sense. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Overflow for Teams is a private version of Stack Overflow, to help teams collaborate, move faster, and share knowledge amongst themselves in a secure environment. Did China's Chang'e 5 land before November 30th 2020? Can you host the stackexchange software yourself to create a site? I accidentally added a character, and then forgot to write them in for the rest of the series, Building algebraic geometry without prime ideals. If I want a "more public-facing site", but wish to host it separately / wrap a website around it (no problem attributing credit to Stack Exchange, on the contrary really) - is the Enterprise solution for me or not? Meta Stack Exchange is intended for bugs, features, and discussions that affect the whole Stack Exchange family of Q&A sites. Podcast 291: Why developers are demanding more ethics in tech, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…, OneHotEncoder vs. LabelEncoder vs. LabelBinarizer. Where did the concept of a (fantasy-style) "dungeon" originate? There are some cases where LabelEncoder or DictVectorizor are useful, but these are quite limited in my opinion due to ordinality. Asking for help, clarification, or responding to other answers. Visit Stack Exchange Visit Stack Exchange Learn more Pipelining vs Batching in Stackexchange.Redis When considering One Hot Encoding(OHE) and Label Encoding, we must try and understand what model you are trying to build. Stack Overflow for Teams is now available! Can I (a US citizen) travel from Puerto Rico to Miami with just a copy of my passport? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. But avoid … Asking for help, clarification, or responding to other answers. Visit Stack Exchange @ArtOfCode Unfortunately no. If a tree is built with only a subset of features, initial 9 numeric features will rarely be used. All tiers have the same Q&A user experience and community elements. Please be sure to answer the question. @LoremIpsum Stack Overflow Enterprise has been updated to use the. Making statements based on opinion; back them up with references or personal experience. 2 redis servers ... Master. LabelEncoder is for ordinal data, while OHE is for nominal data. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange I don't believe there is fixed pricing available. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Is Stack Exchange / Stack Overflow available for private or internal use? If Jedi weren't allowed to maintain romantic relationships, why is it stressed so much that the Force runs strong in the Skywalker family? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. But avoid … Asking for help, clarification, or responding to other answers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange How to move a servo quickly and without delay function. How do I orient myself to the literature concerning a topic of research and not be overwhelmed? Integral solution (or a simpler) to consumer surplus - What is wrong? MathJax reference. Do you ever find that you're in a situation where you'll use different encoding schemes for different features? Welcome! By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Visit Stack Exchange Panshin's "savage review" of World of Ptavvs. Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Very intuitive explanation. Making statements based on opinion; back them up with references or personal experience. A site (or scraper) is copying content from Stack Exchange. Still there are algorithms like decision trees and random forests that can work with categorical variables just fine and LabelEncoder can be used to store values using less disk space. One-Hot-Encoding has the advantage that the result is binary rather than ordinal and that everything sits in an orthogonal vector space. In this case, you can increase the parameter controlling size of this subset. Visit Stack Exchange Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Can Stack Exchange be customized to specific projects? And the administrators it would need to speak English to effectively communicate with us regarding any sales or technical support issues. Lets consider when to apply OHE and Label Encoding while building non tree based models. But avoid … Asking for help, clarification, or responding to other answers. In case you want to continue with OHE, as @AN6U5 suggested, you might want to combine PCA with OHE. Thanks for contributing an answer to Data Science Stack Exchange! To apply Label encoding, the dependance between feature and target must be linear in order for Label Encoding to be utilised effectively. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Similarly, in case the dependance is non-linear, you might want to use OHE for the same. It only takes a minute to sign up. Panshin's "savage review" of World of Ptavvs, Use of nous when moi is used in the subject. Is cross-posting a question on multiple Stack Exchange sites permitted if the question is on-topic for each site? If so, how do they cope with it? Visit Stack Exchange @RobertCartaino Is there a mailing list or blog one could sign up to/follow for announcements of things such as when Documentation is available for Enterprise? I understand the difference between OHE, LabelEncoder and DictVectorizor in terms of what they are doing to the data, but what is not clear to me is when you might choose to employ one technique over another. What is the name of the stack overflow service you can buy/rent and set up your own forum? You can read more about the site proposal process here. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. When to use One Hot Encoding vs LabelEncoder vs DictVectorizor? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Setters dependent on other instance variables in Java, When we can come up with a label encoder that. I'm new to chess-what should be done here to win the game? Replica. Q&A for science fiction and fantasy enthusiasts. 开一个生日会 explanation as to why 开 is used here? Why does the Gemara use gamma to compare shapes and not reish or chaf sofit? Is Label Encoding with arbitrary numbers ever useful at all? There are three tiers - Basic, Business, and Enterprise. Making statements based on opinion; back them up with references or personal experience. Visit Stack Exchange Meta Stack Exchange is a question and answer site for meta-discussion of the Stack Exchange family of Q&A websites. how about a public facing, enterprise version for questions relating to that enterprises developer community / api? It’s a unique custom, high performance index of Stack Exchange questions. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Use MathJax to format equations. Visit Stack Exchange Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange You can compare the tiers to see which is the best fit for you on the plans page. Creating an internal Stack Exchange for proprietary questions? How to handle potential interactions when one-hot encoding? In xgboost it is called colsample_bytree, in sklearn's Random Forest max_features. @RomainX. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Visit Stack Exchange Thanks for contributing an answer to Stack Overflow! Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Does the enterprise edition use the latest engine and get all the improvements as they happen or is it the old white label 1.0 version? @RobertCartaino are you aware whether an Educational version of Enterprise for use within Universities is available? Visit Stack Exchange Visit Stack Exchange