Dummify Design Matrix
Create a data frame with factors converted to dummies.
dummify_data(data)
data |
Data frame to be dummified. |
The column names of the dummy variables are given by the “FactorName_LevelName” and are augmented to the end of the design matrix. See the example below.
Returns a data frame with factors converted to dummy indicator variables.
BART handles dummification internally. This function is provided as a utility function.
Adam Kapelner and Justin Bleich
#generate data set.seed(11) x1 = rnorm(20) x2 = as.factor(ifelse(x1 > 0, "A", "B")) x3 = runif(20) X = data.frame(x1,x2,x3) #dummify data X_dummified = dummify_data(X) print(X_dummified)
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