Displaying 2 results from an estimated 2 matches for "detectionlimits".
2007 Aug 20
1
Q: combine 2 data frames with missing values
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2007 Aug 21
2
Partial comparison in string vector
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hello R ussers,
i have the same problem with my data,
for aal the different variables, i have the same number of cases, but the
are often out of detectionlimits so they produce "na's" .
so the data looks like this:
case var1 var2 var3 var4 ...
1 9 9 13 11
2 15 9 15 13
3 na na 12 9
4 8 6 na na
5 14 10 na na
6 20...