Posted on Nov 05, 2010 in Computer Science • Tagged with programming, regex, data frame, matrix, R, warning
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The data in a matrix must be of the same type while different columns in a data frame can have different types.
A …
Posted on Nov 09, 2010 in Programming • Tagged with programming, list, data structure, container, matrix, vector, R, CRAN
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Posted on Feb 17, 2015 in Computer Science • Tagged with programming, SAS, IML, matrix
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SAS/IML 9.3 …
Posted on Aug 14, 2012 in Programming • Tagged with programming, data structure, algebra, matrix, R, vector, CRAN
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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 …
Posted on Jul 19, 2012 in Computer Science • Tagged with SAS, matrix, programming, IML
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End an IML procedure with quit;.
You should never use run; to end an IML procedure
because it is used for calling user-defined functions in IML procedures …