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75 challenges · Practitioner to Specialty
3 Easy
0 Medium
72 Hard
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All R challenges
R: what is r
Easy
Free
+10 XP
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R: assignment r
Easy
Free
+10 XP
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R: vector
Hard
Free
+20 XP
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R: c function
Hard
Free
+20 XP
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R: vectorized
Hard
Free
+20 XP
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R: data frame r
Hard
Free
+20 XP
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R: list r
Hard
Free
+20 XP
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R: factor
Hard
Free
+20 XP
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R: matrix r
Hard
Free
+20 XP
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R: index one
Hard
Free
+20 XP
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R: subset
Hard
Free
+20 XP
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R: Assignment operator
Easy
Free
+10 XP
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R: na
Hard
Free
+20 XP
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R: is na
Hard
Free
+20 XP
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R: mean r
Hard
Free
+20 XP
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R: summary r
Hard
Free
+20 XP
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R: sd r
Hard
Free
+20 XP
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R: function r
Hard
Free
+20 XP
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R: return r
Hard
Free
+20 XP
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R: apply
Hard
Free
+20 XP
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R: sapply
Hard
Free
+20 XP
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R: lapply
Hard
Free
+20 XP
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R: map r
Hard
Free
+20 XP
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R: tidyverse
Hard
Free
+20 XP
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R: dplyr
Hard
Free
+20 XP
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R: ggplot2
Hard
Free
+20 XP
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R: pipe r
Hard
Free
+20 XP
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R: filter dplyr
Hard
Free
+20 XP
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R: select dplyr
Hard
Free
+20 XP
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R: mutate
Hard
Free
+20 XP
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R: group by r
Hard
Free
+20 XP
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R: summarise
Hard
Free
+20 XP
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R: arrange
Hard
Free
+20 XP
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R: read csv r
Hard
Free
+20 XP
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R: install packages
Hard
Free
+20 XP
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R: library
Hard
Free
+20 XP
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R: str
Hard
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+20 XP
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R: head r
Hard
Free
+20 XP
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R: nrow
Hard
Free
+20 XP
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R: ncol
Hard
Free
+20 XP
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R: dollar sign
Hard
Free
+20 XP
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R: seq
Hard
Free
+20 XP
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R: rep
Hard
Free
+20 XP
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R: length r
Hard
Free
+20 XP
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R: table r
Hard
Free
+20 XP
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R: lm
Hard
Free
+20 XP
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R: formula
Hard
Free
+20 XP
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R: predict r
Hard
Free
+20 XP
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R: glm
Hard
Free
+20 XP
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R: anova r
Hard
Free
+20 XP
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R: t test r
Hard
Free
+20 XP
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R: cor
Hard
Free
+20 XP
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R: plot
Hard
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+20 XP
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R: ggplot aes
Hard
Free
+20 XP
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R: geom
Hard
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+20 XP
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R: facet
Hard
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+20 XP
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R: rmarkdown
Hard
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+20 XP
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R: shiny
Hard
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+20 XP
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R: rstudio
Hard
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+20 XP
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R: na rm
Hard
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