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Draft of core package for r-rse

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zipfs


The zipfs pacakge contains functions to help fit Zipf’s Law to book texts from the Gutenberg project.

Installation

This package isn’t on CRAN, but you can install it from GitHub with:

# install.packages("remotes")
remotes::install_github("merely-useful/zipfs")

Usage

library(zipfs)
text <- c("Star light, star bright,
    First star I see tonight;
    I wish I may, I wish I might,
    Have the wish I wish tonight.")
(word_freq <- count_words(text))
#> # A tibble: 12 x 2
#>    word        n
#>    <chr>   <dbl>
#>  1 i           6
#>  2 wish        4
#>  3 star        3
#>  4 tonight     2
#>  5 bright      1
#>  6 first       1
#>  7 have        1
#>  8 light       1
#>  9 may         1
#> 10 might       1
#> 11 see         1
#> 12 the         1
plot_rank(word_freq$n, add_fit = TRUE)

fit_zipfs(word_freq$n)
#> [1] 0.6458106

Curated R History

This wouldn’t be in the pacakge README, but trying to keep it around in case it is useful.

An attempt to keep track of the R code run on the Console in the act of creating the package.

Add dracula data

use_data_raw("dracula")
# Edit data-raw/dracula.R
# Source data-raw/dracula.R
devtools::load_all(".")
dracula # Check data available
use_r("dracula")
# Add data docs to R/dracula.R
devtools::document(".")
?dracula # Check docs

Add book meta functions

use_r("book-meta")
# Edit R/book-meta.R to add functions
use_package("tibble")
use_package("stringr")
use_pipe()
devtools::load_all(".")
extract_element("Author: Bram Stoker", "Author")
book_meta(dracula[1:20])
# Code -> Insert Roxygen Skeleton
# Edit Roxygen comment for `book_meta()`
devtools::document()
?book_meta

Add count_words()

use_r("count")
# Edit count.R
devtools::load_all(".")
count_words(dracula)
# Code -> Insert Roxygen Skeleton
# Edit Roxygen comment for `count_words()`
devtools::document()
?count_words

Add license

use_mit_license("Charlotte Wickham")

Add plot function

use_r("plot")
# Edit R/plot.R
devtools::load_all(".")
plot_rank(1:100)
# Insert ROcygen skeleton
# Edit roxygen comment for `plot_rank()`
devtools::document()
?rank
word_freqs <- count_words(dracula)
plot_rank(work_freqs$n)

Add fit function

use_r("fit")
# Edit R/fit.R
devtools::load_all(".")
word_freqs <- count_words(dracula)
fit_zipfs(word_freqs$n)
use_test()
# Edit tests/testthat/test-fit.R
devtools::test()
devtools::document()
# Edit Roxygen comment for `fit_zipfs()`
?fit_zipfs

Update plot function to take add_fit argument

use_r("plot") # quick way to open file
# Edit `plot_rank()` code and docs
devtools::load_all()
plot_rank(word_freqs$n, add_fit = TRUE)
?plot_rank

More tests for book_meta()

use_test("book-meta")
# Edit tests, running expectation as I go
devtools::test()
use_r()
# Add input check to `book_meta()`
devtools::test()

Getting pkgdown website

usethis::use_pkgdown()
pkgdown::build_site()
# Preview and edit DESCRIPTION, README etc.
usethis::use_github_pages()
usethis::use_github_action("pkgdown")
# Commit and Push 
# Push failed, had to Pull to get gh-pages branch?

# In dev version of usethis, this replaces all of above
# and adds links in useful places
usethis::use_pkgdown_github_pages()

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Draft of core package for r-rse

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