Why use as.factor () instead of just factor () - Stack Overflow
Performance: as.factor > factor when input is integer A factor variable is the next of kin of an integer variable. ... This means that converting an integer to a factor is easier than converting a numeric / …
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 the specific …
Synology NAS: Trying to login after 2-factor authentication results in ...
Oct 6, 2021 · Synology NAS: Trying to login after 2-factor authentication results in "wrong verification code. please try again" Asked 4 years, 6 months ago Modified 3 months ago Viewed 21k times
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 read data in …
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 example …
Convert NA into a factor level - Stack Overflow
addNA modifies a factor by turning NA into an extra level (so that NA values are counted in tables, for instance). So another reason this is nice is because if you already have a factor f, you can use …
r - Re-ordering factor levels in data frame - Stack Overflow
Aug 24, 2013 · Re-ordering factor levels in data frame [duplicate] Asked 12 years, 8 months ago Modified 4 years, 8 months ago Viewed 261k times
Split data.frame based on levels of a factor into new data.frames
Mar 15, 2012 · Split data.frame based on levels of a factor into new data.frames Asked 14 years, 1 month ago Modified 1 year, 8 months ago Viewed 122k times
How to find out whether a variable is a factor or continuous in R
Jan 6, 2014 · I have a table with a bunch of variables. What statement I can use to find out whether these variables are considered as a factor or continuous?
Convert all data frame character columns to factors
Given a (pre-existing) data frame that has columns of various types, what is the simplest way to convert all its character columns to factors, without affecting any columns of other types? Here's an