Posted on May 10, 2016 in Programming • Tagged with programming, R, comparison, NA, missing, CRAN
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The best way to compare values containing NA in R is to define customized comparison functions.
Here is an example.
equals = function(x1, x2, na_as_na = FALSE, reverse …Posted on Nov 09, 2010 in Programming • Tagged with programming, list, data structure, container, matrix, vector, R, CRAN
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **
Posted on Oct 09, 2013 in Programming • Tagged with tips, programming, Rcpp, C++, CRAN
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **
The trick of using …
Posted on Nov 09, 2012 in Programming • Tagged with R, IO, programming, CRAN
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
It is suggested that you use read.csv/read.delim and avoid using read.table.
This is because that the …
Posted on Nov 06, 2010 in Programming • Tagged with R, filesystem, programming, CRAN, file system
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dirname returns the parent …
Posted on Apr 11, 2012 in Programming • Tagged with research, programming, biostatistics, package, arrayQualityMetrics, R, CRAN
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
I had to use the R package "arrayQualityMetrics" to check the quality of some gene chips. Installing this package in Linux takes a few steps. The following …