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  Dummy variables in linear regression
  
  We start by considering a simple linear regression with a single variable that is di - ... One can have R automatically do dummy variable coding, using a “factor” ...
  
  2025-04-22
  
  瀏覽：725
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  Dummy Variables or Indicator Variables in R (R Tutorial 5.4 ...
  
  2014年3月4日 - 7 分鐘 - 上傳者：MarinStatsLectures Learn what dummy or indicator variables are and how they are used to include categorical or ...
  
  2025-04-24
  
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Chapter 7: Dummy variable regression

日期：2025-04-26

Chapter 7: Dummy variable regression. Why include a qualitative independent variable?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ... R commands ....

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R Learning Module: Coding for Categorical Variables in Regression ...

日期：2025-04-24

Version info: Code for this page was tested in R version 3.0.2 (2013-09-25) ... In the case of the variable race which has four levels, a typical dummy coding ......

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Quickly Create Dummy Variables in a Data Frame | randyzwitch.com

日期：2025-04-25

2 Jan 2014 ... Algorithms such as randomForest in R often have limits on how many ... and elsewhere, here's the answer: code your own dummy variables ......

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Package 'dummies'

日期：2025-04-26

14 Jun 2012 ... Contains functions to create dummy variables flexibly using ... http://wiki.r-project. org/rwiki/doku.php?id=tips:data-manip:create_indicator....

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Generate a dummy-variable in R - Stack Overflow

日期：2025-04-25

Another option that can work better if you have many variables is factor and model.matrix . > year.f = factor(year) > dummies = model.matrix(~year.f)....

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How to create a dummy variable in R - Stack Overflow

日期：2025-04-22

You can simply do: housetype$quality...

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Quickly Create Dummy Variables in a Data Frame | (R news ...

日期：2025-04-27

2 Jan 2014 ... On Quora, a question was asked about how to fix the error of the randomForest package in R not being able to handle more than 32 levels in a ......

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r - Understanding dummy (manual or automated) variable creation ...

日期：2025-04-29

16 Apr 2014 ... Follow-up question (possibly answered by the above): besides just the efficiency of letting R create dummy variables, is there any problem with ......

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