[R] levels

[Erin Hodgess]

Hi Andy:

I just checked in "options", and the following appears:


$stringsAsFactors

[1] FALSE


I think this might be it.


You may want to look at options() in R-3.6.1.


Thanks,

Erin


Erin Hodgess, PhD
mailto: erinm.hodgess using gmail.com


On Wed, Jul 15, 2020 at 9:45 AM andy elprama <andy.elprama using gmail.com> wrote:

> Dear R-users,
>
> Something strange happened within the command "levels"
>
> R version 3.6.1
> name <- c("a","b","c")
> values <- c(1,2,3)
> data <- data.frame(name,values)
> levels(data$name)
> [1] "a" "b" "c"
>
> R version 4.0
> name <- c("a","b","c")
> values <- c(1,2,3)
> data <- data.frame(name,values)
> levels(data$name)
> [1] NULL
>
> What is happening here?
>
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