search for: x1996

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2013 Apr 22
2
subset dataframe
...", stringsAsFactors = T)# > str(agoa); names(agoa) 'data.frame':109 obs. of  19 variables:  $ X    : Factor w/ 39 levels "Angola ","Benin ",..: 1 1 1 2 2 3 3 3 4 4 ...  $ X.1  : Factor w/ 3 levels "AGOA ","GSP ",..: 3 1 2 3 2 3 1 2 3 1 ...  $ X1996: int  2687143 0 2 18084 70 23356 0 3624 3835 0 ...  $ X1997: int  2427824 0 356492 4303 3437 18758 0 5882 930 0 ...  $ X1998: int  1205545 0 1045996 1335 2269 14010 0 5660 503 0 ...  $ X1999: int  1596052 0 828761 6042 11788 12071 0 4824 2695 0 ...  $ X2000: int  2178246 0 1378777 1026 1414 38024 0...