How many packages are there on CRAN?

This shows one how to scrape data directly from a website 🕸 (an html table of CRAN packages, structure it as a dataframe and plot it).

Loads R packages 📦

library(tidyverse)
library(ggthemes)

Loads functionality to decode and plot CRAN data 💻

source("count_cran.R")

## 
## Attaching package: 'lubridate'

## The following object is masked from 'package:base':
## 
##     date

## hash-2.2.6.1 provided by Decision Patterns

Reads package table (as html) from CRAN and decode it into a dataframe: 👨‍💻

url_cran <- "http://cran.r-project.org/web/packages/available_packages_by_date.html"
df_cran <- read_file(url_cran) %>% cran_html_to_df
nrow(df_cran)

## [1] 11175

What's in it?

glimpse(df_cran)

## Observations: 11,175
## Variables: 3
## $ Date    <date> 2019-03-31, 2019-03-31, 2019-03-31, 2019-03-31, 2019-03…
## $ Package <chr> "AmigaFFH", "AzureGraph", "bnviewer", "bysykkel", "fastN…
## $ Title   <chr> "Commodore Amiga File Format Handler", "Simple Interface…

What are the top 10 words used in package titles?

df_cran %>%
  get_top_words(10) %>%
  plot_top_words

Plots it! 💹

df_cran %>% plot_cran_df

There you have it! R is growing exponentially!😄