factor level dataframe R

How to Efficiently Drop Multiple Levels from a DataFrame in RПодробнее

Efficiently Subtracting Values from Associated Factor Levels Across a DataFrame with dplyrПодробнее

How to Efficiently Add Factor Levels in a DataFrame When MissingПодробнее

How to Balance Observations in a Dataframe by Factor Level Using RПодробнее

How to Remove Outliers from a DataFrame Based on Factor Levels in RПодробнее

How to Specify Levels When Mutating Dataframe Variables to Factors in RПодробнее

R : list all factor levels of a data.frameПодробнее

R : invalid factor level, NA generated when pasting in a dataframe in rПодробнее

R : Invalid factor level with rbind to data frameПодробнее

R : Converting R data.frame to matrix with levels of two factors as row and column names of the matrПодробнее

R : drop = TRUE doesn't drop factor levels in data.frame while in vector it doesПодробнее

R : Drop unused factor levels in a subsetted data frameПодробнее

R : Subset dataframe based on factor levels starting with specific character or string of charactersПодробнее

R : Recode/relevel data.frame factors with different levelsПодробнее

R : Paste data frame without changing into factor levelsПодробнее

R : Elegant way to drop rare factor levels from data frameПодробнее

R : Split dataframe by levels of a factor and name dataframes by those levelsПодробнее

R : get levels of factor from dataframe as integersПодробнее

R : Subset R dataframe by factor level, removing ALL rows after threshold crossed the FIRST timeПодробнее

R : Split data.frame based on levels of a factor into new data.framesПодробнее