How can I change all factor variables into numeric variables in a bulk
99563
How to convert a data frame column to numeric type?
75830
Excel CSV import treating quoted strings of numbers as numeric values, not strings
147588
All factors of a given number
89743
Split data.frame based on levels of a factor into new data.frames
58090
Drop unused factor levels in a subsetted data frame
123566
Recoding a variable with three levels into a dummy variable
144047
How to change a CSV layer attribute value from text to number - once again?
59695
How to force R to use a specified factor level as reference in a regression?
113624
Create multiple numbered variables based on a int
133825
Reorder levels of a factor without changing order of values
142573
Replacing composite variables by a single variable
35367
Changing feature class and field aliases in bulk using ArcPy?
157122
How can factor-levels be automatically chosen in R to maximize the number of positive coefficients in a regression model?
104236
Factor analysis and regression
89583
Transforming variables for multiple regression in R
87266
Apply several summary functions on several variables by group in one call
29834
Preventing R from interpreting text as numeric