Why use as.factor () instead of just factor () - Stack Overflow
Expanded answer two years later, including the following: What does the manual say? Performance: as.factor > factor when input is a factor Performance: as.factor > factor when …
r - Changing factor levels with dplyr mutate - Stack Overflow
Jan 28, 2015 · 19 From my understanding, the currently accepted answer only changes the order of the factor levels, not the actual labels (i.e., how the levels of the factor are called). To …
r - list all factor levels of a data.frame - Stack Overflow
Dec 28, 2014 · with dplyr::glimpse(data) I get more values, but no infos about number/values of factor-levels. Is there an automatic way to get all level informations of all factor vars in a …
r - How to convert a factor to integer\numeric without loss of ...
The levels of a factor are stored as character data type anyway (attributes(f)), so I don't think there is anything wrong with as.numeric(paste(f)). Perhaps it would be better to think why (in …
r - ggplot2: Reorder items in a legend - Stack Overflow
Oct 12, 2021 · (2) I cannot find a question about ordering (of axis or legend elements) in ggplot2 that is not completely resolved by the use of factor(., levels=). When you define the factor and …
Convert existing dataframe variable to factor in Tidyverse
Feb 26, 2022 · When you have an existing character variable in a dataframe, is there an easy method for converting that variable to a factor using the tidyverse format? For example, the …
How to force R to use a specified factor level as reference in a ...
You should do the data processing step outside of the model formula/fitting. When creating the factor from b you can specify the ordering of the levels using factor(b, levels = c(3,1,2,4,5)). Do …
Convert data.frame column format from character to factor
Dec 6, 2018 · The complete conversion of every character variable to factor usually happens when reading in data, e.g., with stringsAsFactors = TRUE, but this is useful when say, you've …
r - Re-ordering factor levels in data frame - Stack Overflow
Aug 24, 2013 · Re-ordering factor levels in data frame [duplicate] Asked 12 years, 2 months ago Modified 4 years, 2 months ago Viewed 254k times
When to use as.numeric and as.factor in R - Stack Overflow
Feb 17, 2020 · Factors (with as.factor) are variables that have discrete values, which may or may not be ordered. In other areas of science outside R they're often called categorical values. For …