Posts by Woldinei Meier • 51 points

• 1

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  A: Apply function in data groups

  With the help of @Pierre Lafortune, follows the answer: library(dplyr) dados %>% group_by(tipo, data, bairro) %>% arrange(pvalor) %>% mutate(sobra = round(((lead(pvalor) / pvalor)*100)-100,…

  r dplyr plyr

  answered 9 years, 2 months ago Woldinei Meier 51

• 4

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  2

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  Q: Apply function in data groups

  I need to separate the data into groups and perform the calculations in two or three groups/dimensions. I found the tapply function, it solves the problem. With it I get what I need by using the…

  r dplyr plyr

  asked 9 years, 2 months ago Woldinei Meier 51