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order = "anyClass" argument of ggparcoord() function doesn't work when the dataset has missing values #497

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ShanikaLW opened this issue Apr 22, 2024 · 0 comments · May be fixed by #500
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order = "anyClass" argument of ggparcoord() function doesn't work when the dataset has missing values #497

ShanikaLW opened this issue Apr 22, 2024 · 0 comments · May be fixed by #500

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@ShanikaLW
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ShanikaLW commented Apr 22, 2024 •
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If I set order = "anyClass in the ggparcoord() function when the dataset has missing values, the function doesn't work. Below is a MWE.

library(palmerpenguins)
#> Warning: package 'palmerpenguins' was built under R version 4.3.3
library(GGally)
#> Warning: package 'GGally' was built under R version 4.3.3
#> Loading required package: ggplot2
#> Warning: package 'ggplot2' was built under R version 4.3.3
#> Registered S3 method overwritten by 'GGally':
#>   method from   
#>   +.gg   ggplot2

penguins %>% 
  ggparcoord(columns = 3:4, groupColumn = "species", order = "anyClass")
#> Error in model.frame.default(formula = x ~ as.factor(classVar == class.names[i]), : variable lengths differ (found for 'as.factor(classVar == class.names[i])')

Created on 2024-04-22 with reprex v2.1.0
`

It is inherited from the singleClassOrder() function. It has two arguments, classVar, and axisVars. Indices corresponding to classVar are removed, however they are not removed from axisVars.
@ShanikaLW ShanikaLW changed the title order = "anyClass" argument of ggparcoord() function doesn't work when there are missing values order = "anyClass" argument of ggparcoord() function doesn't work when the dataset has missing values Apr 22, 2024
@92amartins 92amartins linked a pull request Apr 25, 2024 that will close this issue
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fix: ggparcoord anyClass ordering with missing values in data 92amartins/ggally
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@ShanikaLW