Top "Dummy-variable" questions

Dummy or indicator variables are used to include categorical or qualitative variables or factors into a regression model in R programming language for statistical computing, bioinformatics, and graphics.

how to get pandas get_dummies to emit N-1 variables to avoid collinearity?

pandas.get_dummies emits a dummy variable per categorical value. Is there some automated, easy way to ask it to …

python pandas machine-learning dummy-variable
ValueError: Columns must be same length as key

I have a problem running the code below. data is my dataframe. X is the list of columns for train …

python pandas dummy-variable one-hot-encoding
Creating dummy variables in R data.table

I am working with an extremely large dataset in R and have been operating with data frames and have decided …

r data.table dummy-variable
Dummy Encoding using Pyspark

I am hoping to dummy encode my categorical variables to numerical variables like shown in the image below, using Pyspark …

apache-spark encoding pyspark dummy-variable
Pandas sklearn one-hot encoding dataframe or numpy?

How can I transform a pandas data frame to sklearn one-hot-encoded (dataframe / numpy array) where some columns do not require …

python pandas numpy scikit-learn dummy-variable