Extracts and summarizes all rating information on a professor.
ratings_info(url, y = 2018)A character value indicating the URL of the professor's webpage.
A numeric value to filter ratings after a certain year.
A list of 1 total number of ratings and 2 data frames
n - Number of ratings after filtering
ratings - All rating information after a given year
summary - Summary statistics
url <- 'https://www.ratemyprofessors.com/ShowRatings.jsp?tid=2036448'
ratings_info(url = url)
#> $n
#> [1] 6
#>
#> $ratings
#> Year Course Overall Quality Difficulty Take_again For_credit Textbooks
#> 1 2021 STAT231 5 5 3 TRUE TRUE TRUE
#> 2 2020 STAT231 5 5 3 TRUE TRUE TRUE
#> 3 2019 STAT231 5 5 1 TRUE TRUE TRUE
#> 4 2019 STAT231 5 5 3 TRUE TRUE TRUE
#> 5 2019 STAT231 5 5 4 TRUE TRUE TRUE
#> 6 2018 STAT588 5 5 4 TRUE TRUE TRUE
#> Attendance Grade
#> 1 FALSE A
#> 2 FALSE <NA>
#> 3 NA A+
#> 4 FALSE A
#> 5 NA A
#> 6 FALSE B-
#>
#> $summary
#> avgRating avgQuality avgDifficulty percentTakeAgain percentForCredit
#> 1 5 5 3 100 100
#> percentTextbook percentAttendance
#> 1 100 0
#>