[R] Percentiles for unequal probability sample

2013-11-20 Thread Trevor Walker
$TreesPerAcre[i]*explodeFactor)){ k - k +1 explodedDiameters.df$Diameter[k] - trees.df$Diameter[i] } } quantile(explodedDiameters.df$Diameter) # appropriate percentiles (for trees per acre) quantile(trees.df$Diameter) # percentiles biased upwards Trevor Walker 14906 McKemey Pl

[R] Speed up or alternative to 'For' loop

2013-06-10 Thread Trevor Walker
$HeightGrowth[i] - df$Height[i]-df$Height[i-1] } } Trevor Walker Email: trevordaviswal...@gmail.com [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting