create a loop tidyverse in r

Here's an example of how to create a loop using tidyverse functions in R:

main.r
library(tidyverse)

# Create a list of data frames
df_list <- list(mtcars, iris, economics)

# Loop through each data frame and create a scatterplot of horsepower vs. mpg
for (df in df_list) {
  ggplot(data = df, aes(x = hp, y = mpg)) +
    geom_point() +
    labs(title = "Horsepower vs. MPG")
}
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In this example, we first create a list of data frames using the list() function. We then loop through each data frame in the list using a for loop, and create a scatterplot of horsepower vs. mpg using the ggplot() function from ggplot2. The resulting scatterplots are printed to the console, but could also be saved as image files using the ggsave() function.

Note that this example uses base R's for loop, but the map() function from the purrr package in the tidyverse can also be used for iterating through a list and applying a function to each element. This can often be a more elegant and concise way to write looping code in R, particularly when working with complex data structures.