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2006 May 11
1
Maximum value of two columns
Hello -- Given the 10x2 matrix below, my goal is to create a vector which contains the maximum of column 1 and column 2, or the only value if there is an NA in one column. I experimented with max.col without success. Thanks. --Dale > tmax.m tmaxhme tmaxer [1,] 101.0 99.8 [2,] 102.5 99.0 [3,] 100.6 98.4 [4,] NA 100.5 [5,] 101.0 99.4 [6,] NA 97.6 [7,] NA 99.0 [8,] 99.0 98.4 [9,] NA 98.5 [10,] NA 99.1