Created
August 17, 2020 14:21
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Thanks for the suggestion. I needed to added the .group parameter because otherwise some functions like sum will perhaps not behave as intended. Interested to hear your thoughts.
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library(dplyr, warn.conflicts = FALSE) | |
library(rlang) | |
summarise_with <- function(.data, ..., .f, .with, .over, .group = TRUE, na.rm = TRUE) { | |
stopifnot(rlang::is_logical(.group)) | |
if(rlang::quo_is_symbol(rlang::enquo(.with))) { | |
.with <- rlang::enquo(.with) | |
} else { | |
.with <- rlang::sym(.with) | |
} | |
if(rlang::quo_is_symbol(rlang::enquo(.over))) { | |
.over <- rlang::enquo(.over) | |
} else { | |
.over <- rlang::sym(.over) | |
} | |
if (.group == TRUE) { | |
.data %>% | |
dplyr::group_by(..., !!.over) %>% | |
dplyr::summarise("{{.f}}_{{.with}}" := .f(!!.with, na.rm = na.rm)) | |
} else { | |
.data %>% | |
dplyr::group_by(...) %>% | |
dplyr::summarise("{{.f}}_{{.over}}" := .f(!!.over, !!.with, na.rm = na.rm)) | |
} | |
} | |
add_share_with <- function(.data, ..., .with, na.rm = TRUE) { | |
if(rlang::quo_is_symbol(rlang::enquo(.with))) { | |
.with <- rlang::enquo(.with) | |
} else { | |
.over <- rlang::sym(.with) | |
} | |
.data %>% | |
dplyr::group_by(...) %>% | |
dplyr::mutate("share_{{.with}}" := !!.with / sum(!!.with, na.rm = na.rm)) | |
} |
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