Change factor levels in data.tables by name...

Error out if filtering for a non-existent level...

R: factor(x, levels, labels) returns unexpected <NA>...

Cleaning up factor levels (collapsing multiple levels/labels)...

Factor from numeric vector drops every 100.000th element from its levels...

how to classify values into factors in r...

reorder factor levels manually using indices with tidyverse...

Sort a factor based on value in one or more other columns...

How to access actual internal factor lookup hashtable in R...

Rename one level of a factor in R...

"Factor has new levels" error for variable I'm not using...

How to create a new column based on information from other factor columns in R?...

Coerce multiple columns to factors at once...

str_replace inside fct_reorder inside mutate(across())...

How to maintain factors when using plot_ly inside a function in R...

Why do my characters transform when I append to a vector?...

Scaling issue on raincloud plot...

Obtain counts within 3 variable factors...

How to change the levels of multiple factors at once...

Is there a quicker way to factor and relevel a column based on the levels in another column?...

R group by with each grouped element associated with most common factor...

Plotting with ggplot2: "Error: Discrete value supplied to continuous scale" on categorical...

Why does the as.factor() function not work in a Shiny reactive express, but works fine outside of Sh...

Return a string vector instead of integer vector when combining factors...

How to assign levels to a factor variable...

Return values from the NA row of a factor column...

Redefine factor levels and order within groups...

In R, why does map make the wrong plot, but the same code works when I do not map?...

Remove rows with duplicate combinations of factor levels in two columns...

Is it possible to have different elements in a factor to have a same levels?...