search for: 45140000

Displaying 1 result from an estimated 1 matches for "45140000".

2009 Feb 18
2
Counting/processing a character vector
...a data set stored in the following format: > head(dat, n = 10) id sppcode abundance 1 10307 10000000 1 2 10307 16220602 2 3 10307 20000000 5 4 10307 20110000 2 5 10307 24000000 1 6 10307 40210000 83 7 10307 40210102 45 8 10307 45140000 1 9 10307 45630000 1 10 10307 45630600 41 > str(dat) 'data.frame': 111 obs. of 3 variables: $ id : Factor w/ 3 levels "10307","10719",..: 1 1 1 1 1 1 1 1 1 1 ... $ sppcode : chr "10000000" "16220602" "2000000...