Displaying 1 result from an estimated 1 matches for "0m12".
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012
2011 Nov 29
2
aggregate syntax for grouped column means
....98, 31.25, 30.44, 30.47, NA, 30.47, 30.56,
NA, 30.6, 30.57, NA, 31, 30.8, NA), id = c("0m4", "0m4", "0m4",
"0m5", "0m5", "0m5", "0m6", "0m6", "0m6", "0m11", "0m11", "0m11",
"0m12", "0m12", "0m12", "205m1", "205m1", "205m1", "205m4", "205m4",
"205m4", "205m5", "205m5", "205m5", "205m6", "205m6", "205m6",
"205m7", "205...