search for: 3.313435e

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2010 May 05
1
melt, remove rows with common id if NA encountered in value
forum, After melting a data.frame I get some 18,000+ rows (some rows below). I want to filter/remove all rows that have an "SP" & "variable" value in common with a row containing "NA" in the value column. So in the example rows below, all rows with SP=425 & variable=CoolidgeLoad would be removed because NA was encountered in at least one of the rows (in