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another_thing
2011 Mar 06
1
Procedural prgramming
Hi!,i would really appreciate any help on that matter.I am currently programming a procedure on RI have few functions,1. Choose Excel file function2. Choose Excel sheet function.3.Choose columns for variables function4.Few plots functions and analisys5.Main function that runs these functions one after the anotherThe porblem which i m desperate to solve is with the Main function, it seems that R is
2010 Sep 30
1
more than two NA value names in my data
my data(*.txt) has 1000 observations(numbers with no characters) of 5
variables. quite simple.
However, NA values are quite tricky.
this observer used more than two names for NA values; "." and "na" and more.
1. If I don't want to manipulate this raw data at all, how can I read this
table?
(meaning, can I set more than two names for na.strings=" " in