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Simple frequency table using dplyr
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| > library(dplyr) | |
| > ft <- mtcars %>% group_by(gear) %>% summarise(freq=n()) | |
| > ft | |
| Source: local data frame [3 x 2] | |
| gear freq | |
| 1 3 15 | |
| 2 4 12 | |
| 3 5 5 |
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