Create Dummy Columns From Categorical Variable

The following code returns new dummy columns from a categorical variable.
DF <- data.frame(strcol = c("A", "A", "B", "F", "C", "G", "C", "D", "E", "F"))
for(level in unique(DF$strcol)){
DF[paste("strcol", level, sep = "_")] <- ifelse(DF$strcol == level, 1, 0)}
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Deepanshu Bhalla

Deepanshu founded ListenData with a simple objective - Make analytics easy to understand and follow. He has over 10 years of experience in data science. During his tenure, he has worked with global clients in various domains like Banking, Insurance, Private Equity, Telecom and Human Resource.

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