Created
February 19, 2020 07:28
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library(rlang) | |
library() | |
set.seed(123) | |
new_table <- tibble(Date = seq.Date(as.Date("2016-01-01"), as.Date("2019-12-31"), 1)) %>% | |
mutate(total_sales = rnorm(n())) | |
yearly_lines_fn <- function(sales_table, date_col, money_col) { | |
date_col <- enquo(date_col) | |
money_col <- enquo(money_col) | |
sales_table %>% | |
group_by(year_month = floor_date(!! date_col, "months"), | |
year = year(!! date_col)) %>% | |
summarise(total_sales = sum(!! money_col)) %>% | |
ungroup() %>% | |
ggplot() + | |
aes(year_month, total_sales, col = factor(year)) + | |
geom_line(stat = "identity", size = 2) + | |
geom_point(stat = "identity", size = 2, col = "black") | |
} | |
yearly_lines_fn(new_table, Date, total_sales) | |
new_yearly_lines_fn <- function(sales_table, date_col, money_col) { | |
sales_table <- eval(sym(sales_table)) | |
sales_table %>% | |
group_by(year_month = floor_date({{date_col}}, "months"), | |
year = year({{date_col}})) %>% | |
summarise(total_sales = sum({{money_col}})) %>% | |
ungroup() %>% | |
ggplot() + | |
aes(year_month, total_sales, col = factor(year)) + | |
geom_line(stat = "identity", size = 2) + | |
geom_point(stat = "identity", size = 2, col = "black") | |
} | |
function_arguments <- c("the_dataset" = "new_table", | |
"the_date_col" = "Date", | |
"the_money_col" = "total_sales") | |
new_yearly_lines_fn(function_arguments[["the_dataset"]], function_arguments[["the_date_col"]], function_arguments[["the_money_col"]]) | |
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