Posted on Nov 14, 2012 in Programming • Tagged with R, regex, programming, CRAN, regular expression
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There are two flavors …
Posted on Dec 25, 2016 in Programming • Tagged with programming, R, CRAN, IRKernel, Jupyter, JupyterLab
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wajig install …Posted on Jun 27, 2012 in Programming • Tagged with R, package, programming, tags, CRAN, roxygen2, develop
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You have to install the R package roxygen2 first.
install.packages('roxygen2')
Roxygenize the package for compiling.
library(roxygen2)
roxygenize(path_to_package)
The following are some roxygen2 tags …
Posted on Apr 10, 2017 in Programming • Tagged with programming, CRAN, R, issue, trick, trap, vector, zero-length, 0-length
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The corner case of 0-length vectors is not well considered in R.
It causes issues in several situations.
First, 1:n is probably not what you want …
Posted on Nov 09, 2012 in Programming • Tagged with R, global variable, programming, traps, CRAN
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A really tricky problem about is global and local variables. You can use any global variable in a user-defined function, which is …
Posted on Jun 09, 2016 in Programming • Tagged with programming, CRAN, R Markdown, Markdown, R
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The rmarkdown …