Posted on Jan 11, 2016 in Programming • Tagged with programming, CRAN, data manipulation, data.table, plyr, sets, SQL
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RJDBC
data.table do …
Posted on Jun 11, 2016 in Programming • Tagged with programming, R, CRAN, formatting, numbers
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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
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freq = tapply(x, x …Posted on Sep 28, 2014 in Computer Science • Tagged with programming, SAS, put, input, putn, putc, inputn, inputc
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Posted on Mar 28, 2015 in Computer Science • Tagged with programming, SAS, missing values, null, white space
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SAS uses a dot (.) to stand for a numeric missing value
and any number (can be 0 which correspond to the blank string "")
of white spaces (e …
Posted on Sep 28, 2014 in Computer Science • Tagged with programming, SAS, user-defined function, `FCMP`
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The maximum …