For example, year X1958 X1973 X1981 X1986 X1995 X2004 X2007 1 QMT 12 41 45 54 62 232 255 2 Belgium 2 5 5 5 5 12 12 3 France 4 10 10 10 10 29 29
year X1958 X1973 X1981 X1986 X1995 X2004 X2007 1 QMT 12 41 45 54 62 232 255 2 Belgium 9054483 9741700 9859000 9859000 10137000 10418000 10497000 3 France 45800391 53294898 55419102 56898199 59418699 62177398 63209000 mat1/mat2 produces year X1958 X1973 X1981 X1986 X1995 X2004 X2007 1 NA 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00 2 NA 2.21e-07 5.13e-07 5.07e-07 5.07e-07 4.93e-07 1.15e-06 1.14e-06 3 NA 8.73e-08 1.88e-07 1.80e-07 1.76e-07 1.68e-07 4.66e-07 4.59e-07 with NA in the first column. Serguei ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
