Hello,
I have recently discovered the modeest library, and am trying to understand
how to use it with non-numeric data (e.g. determining the most common last
name, or analysing customer demographics âby zip code).
I have the mlv() function working for numeric (double and integer) data,
but it throws either an error or a warning and produces unexpected output
with character data. Any help is appreciated.
A simple example:
> my.rand.letters <- sample(letters, size=100, replace=TRUE)
> mlv(my.rand.letters, mode=C("discrete"))Error in match.arg(x, .distribList) :
> 'arg' must be of length 1In addition: There were 21 warnings (use warnings()
> to see them)
> mlv(as.factor(my.rand.letters))Mode (most frequent value): NA NA
Bickel's modal skewness: -2
Call: mlv.factor(x = as.factor(my.rand.letters)) Warning message:In
discrete(x, ...) : NAs introduced by coercion
TIA,
Tom
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