Using R for Trade Policy Analysis by Massimiliano Porto

Author:Massimiliano Porto
Language: eng
Format: epub
ISBN: 9783030345297
Publisher: Springer International Publishing

tar11 <- summaryBy(tar_savg_ahs ~ sector, TPP_jpn,

na.rm = T, FUN=c(mean, median, sd, min, max))

tar22 <- summaryBy(tar_iwahs ~ sector, TPP_jpn,

na.rm = T, FUN=c(mean, median, sd, min, max))

tar33 <- summaryBy(tar_savg_mfn ~ sector, TPP_jpn,

na.rm = T, FUN=c(mean, median, sd, min, max))

tar44 <- summaryBy(tar_iwmfn ~ sector, TPP_jpn,

na.rm = T, FUN=c(mean, median, sd, min, max))

tar_jpn <- cbind(tar11, tar22, tar33, tar44)

View(tar_jpn)

tar_jpn <- tar_jpn[, -c(7, 13, 19)]

Note that the function summaryBy( ) can be applied to more than one variable. For example, we could have written

summaryBy(tar_savg_ahs + tar_iwahs + tar_savg_mfn + tar_iwmfn ~ sector,

TPP_jpn, na.rm = T, FUN=c(mean, median, sd, min, max))

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