Created
January 6, 2017 04:59
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Calculate percentiles.
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| library(dplyr) | |
| library(broom) | |
| mtcars %>% | |
| group_by(cyl) %>% | |
| do(tidy(t(quantile(.$mpg, probs = seq(0, 1, 0.25))))) | |
| # Source: local data frame [3 x 6] | |
| # Groups: cyl [3] | |
| # | |
| # cyl X0. X25. X50. X75. X100. | |
| # <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> | |
| # 1 4 21.4 22.80 26.0 30.40 33.9 | |
| # 2 6 17.8 18.65 19.7 21.00 21.4 | |
| # 3 8 10.4 14.40 15.2 16.25 19.2 |
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