README.md

In d-edison/RSOQuestions: View / Run the Code of Questions on the r Tag on StackOverflow

RSOQuestions

RSOQuestions is a way to easily view / run the code of questions on the r tag on stackoverflow.

Installation

You can install RSOQuestions from GitHub with:

devtools::install_github("d-edison/RSOQuestions")

Example

You can grab a question from stackoverflow by using the get_question function and providing a question ID (found in the URL of the question):

library(RSOQuestions)

# this ID corresponds to a popular question on the differences between <- and = for assignment
q <- get_question(id = 1741820) 

If no arguments are provided to get_question, the most recent question on the r tag will be used by default. RSOQuestions also provides a convenience function get_recent_ids to grab the 30 most recent IDs on the r tag:

get_recent_ids()
#>  [1] 55618470 55618443 55618398 55618228 55618058 55618054 55618052
#>  [8] 55618040 55617819 55617776 55617775 55617683 55617539 55617437
#> [15] 55617425 55617360 55617289 55617283 55617232 55617205 55617136
#> [22] 55617090 55617044 55617015 55616992 55616909 55616854 55616847
#> [29] 55616697 55616615

To view the question in the RStudio Viewer pane, use view_question:

view_question(q)

You run anything formatted as code with run_code. This function will run all expressions in the global environment and capture all results and errors:

# run all code in global environment
res <- run_code(q) 

# see results
res
#> [[1]]
#> [[1]]$result
#> [1] 5
#> 
#> [[1]]$call
#> x <- y <- 5
#> 
#> 
#> [[2]]
#> [[2]]$result
#> [1] 5
#> 
#> [[2]]$call
#> x = y = 5
#> 
#> 
#> [[3]]
#> [[3]]$result
#> [1] 5
#> 
#> [[3]]$call
#> x = y <- 5
#> 
#> 
#> [[4]]
#> [[4]]$error
#> <simpleError in x <- y = 5: could not find function "<-<-">
#> 
#> [[4]]$call
#> x <- y = 5

d-edison/RSOQuestions documentation built on May 26, 2019, 2:30 a.m.