Posted on Jan 11, 2016 in Programming • Tagged with programming, CRAN, data manipulation, data.table, plyr, sets, SQL
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
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RJDBC
data.table do …
Posted on Jun 11, 2016 in Programming • Tagged with programming, R, CRAN, formatting, numbers
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
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When working with dates …
Posted on Jun 11, 2016 in Programming • Tagged with programming, CRAN, R, frequency, table, multiple times, unique
Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.
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freq = tapply(x, x …Posted on Jun 26, 2012 in Programming • Tagged with DLL, programming, HPC, high performance computing, parallel, R, memory, GC, speedup, fast, CRAN
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R is a popular statistical software which is famous for enormous amout of packages. The syntax of R is very flexible with make it convenient at the …
Posted on Nov 14, 2012 in Programming • Tagged with email, R, Web, programming, network, internet, CRAN
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There are many ways to send email in R.
First, you can use sendmail{sendmailR}.
The following code is a simple test email.
sendmail …Posted on Aug 14, 2012 in Programming • Tagged with programming, data structure, algebra, matrix, R, vector, 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Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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 talked in the post Abuse of Vector in R that it is often the case that we want keep the matrix sturcture when extracting a row …