Top "Levels" questions

Levels function returning NULL

I'm hoping this is an easy fix. Whenever I run levels(df) am I given a NULL output. This isn't …

r null levels

What are levels in R?

I understand this is a very basic question but I don't understand what levels mean in R. For reference, I …

r levels

Removing Specific factor level from factor variable

I have a data frame that has several variables that have 5 factor levels. I want to delete only one of …

r dataframe levels

Recode/relevel data.frame factors with different levels

Each time when I have to recode some set of variables, I have SPSS recode function in mind. I must …

r levels

Java Game State Management

Does anyone have a good State Manager tutorial in Java? I have been looking into this for the past couple …

java states levels screens

Change reference level for variable in R

I have a data set, (call it DATA) with a variable, COLOR. The mode of COLOR is numeric and the …

r levels

Removing the levels attribute in the output - R

I am new to R Programming. I wrote a sample program and that returns a value of a particular column …

r matrix levels

R: Make unique the duplicated levels in all factor columns in a data frame

For several days already I've been stuck with a problem in R, trying to make duplicate levels in multiple factor …

r dataframe duplicates factors levels

remove level from a list extract to a data fram

I have a data frame like this df <- data.frame(letters=letters[1:5], numbers=seq(1:5)) and lets say that …

r dataframe levels