R - r dataframe column factor

Search

R

r dataframe column factor

mtcars  #look at this built in data set
str(mtcars) #allows you to see the classes of the variables (all numeric)

#one approach it to index with the $ sign and the as.factor function
mtcars$am <- as.factor(mtcars$am)
#another approach
mtcars[, 'cyl'] <- as.factor(mtcars[, 'cyl'])
str(mtcars)  # now look at the classes

Comment

PREVIOUS	NEXT

Code Example
R :: how to select certain rows containing a word in r
R :: data table R select several columns
R :: set row names in r
R :: descending order a list in r
R :: how to split a column in r
R :: comment in r
R :: How to Convert a Factor in R
R :: ggplot2 multiple lines geom_line
R :: if not NA in r
R :: r ddply
R :: show 2 plots together
R :: describe data in r
R :: subset row r
R :: how to replace values with na in r
R :: Derive end of the week date in r
R :: change labels in legend R
R :: how to source all fies from a directory in r
R :: extract attribute in r
R :: logical vector passed in R
R :: return the name of the dataset in r
R :: required in r
R :: store list in data.frame R
R :: Non-redundant version of expand.grid
R :: how to get the number of individual numbers in a vector in r
Rust :: array as a parameter rust
Rust :: rust get crate version
Rust :: rust struct
Rust :: rust init vec with values
Rust :: armanriazi•rust•borrowchecker•lifetime•static
Rust :: armanriazi•rust•orphan•rule

Search

R

r dataframe column factor

ADD CONTENT