Vasily A

Questions Linux Laravel Mysql Ubuntu Git Menu

HTML CSS JAVASCRIPT SQL PYTHON PHP BOOTSTRAP JAVA JQUERY R React Kotlin

Vasily A has asked 53 questions and find answers to 5 problems.

Stats

About

Vasily A questions

secondary key ("index" attribute) in data.table is lost when table is "copied" by selecting columns
Reverse order for data.table `setkey()`
Fastest way to compare ordered lists and count common elements *including* duplicates
Trailing period after section number in Rmd notebook
Provide data.table's environment for `glue()` in `:=`
yet another aggregation
Drawing 2D boxplots with R (ggplot)
'selectionStart' property exists (?) but cannot be accessed
tstrsplit to different columns in one round
defining operator doesn't work anymore (Error in UseMethod("%op%"): no applicable method for '%op%' applied to an object of class "character")

Vasily A answers

R data.table problem when read file with inconsistent column
Predicting and Plotting Survival Curve with the CoxPH
tstrsplit to different columns in one round
Installing perl modules in [Windows Subsystem for Linux]
Weird behavior of ggsurvplot about confidence interval