nba_ranking: Generates a ranking and a visualization based on ESPN NBA...

In UBC-MDS/rsketball: Scrape data from ESPN NBA and show summary statistics/visualisations

Description

This function generates creates a ranking of a variable 'column' summarizing by a variable 'by' using a function 'FUN'. The result of this function is a visualization with that information.

For reference on the scraped data columns information, please refer to the dataset description: https://github.com/UBC-MDS/rsketball/blob/master/dataset_description.md

For detailed use cases, please refer to the vignette: https://ubc-mds.github.io/rsketball/articles/rsketball-vignette.html

Usage

nba_ranking(nba_data, column, by, top = 5, descending = TRUE, FUN = mean)

Arguments

nba_data	The tibble dataframe from the scraped nba data
column	The categorical column from the dataset to rank. Should be either "NAME", "TEAM" or "POS"
by	The column from the dataset to rank by. Should be the statistic numerical column of interest. If the column starts with a number (eg 3PA) or has a % character (eg FT%), format it with backticks "'". Refer to vignette for more examples on this.
top	The number of elements in the ranking. Defaults to 5.
descending	Boolean variable for the order of the ranking. TRUE if descending, FALSE otherwise. Defaults to True.
FUN	function to apply to the values. Defaults to the Mean function.

Value

ggplot visualization with the ranking

Examples

nba_data <- tibble::tibble(NAME = c("James", "Steph", "Bosh", "Klay", "Kobe"),
                           TEAM = c("MIA","GS","MIA","GS","LAL"),
                           POS = c("SF", "PG", "C", "SG", "SG"),
                           PTS = c(5,4,3,2,10),
                           TO = c(1,2,3,4,3))

# Find top 3 players for points (PTS) where higher is better
nba_ranking(nba_data,
            column = NAME,
            by = PTS,
            top = 3,
            descending = TRUE,
            FUN = mean)

#' # Find top 2 teams for turnover (TO) where lower is better
nba_ranking(nba_data,
            column = TEAM,
            by = TO,
            top = 2,
            descending = FALSE,
            FUN = mean)

UBC-MDS/rsketball documentation built on April 1, 2020, 4:37 a.m.