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README.md

Public Subject Attention via Wikipedia Page View Statistics

Status

AppVeyor build status Codecov

lines of R code: 474, lines of test code: 160

Version

2.1.6 ( 2020-06-03 12:43:18 )

Description

License

GPL (>= 2)
Peter Meissner [aut, cre], R Core Team [cph]

Credits

  • Parts of the package’s code have been shamelessly copied and modified from R base package written by R core team. This concerns the wp_date() generic and its methods and is detailed in the help files.

Citation

citation("wikipediatrend")

Meissner P (2020). wikipediatrend: Public Subject Attention via Wikipedia Page View Statistics. R package version 2.1.6.

BibTex for citing

toBibtex(citation("wikipediatrend"))

Installation

Stable version from CRAN:

install.packages("wikipediatrend")

Latest development version from Github:

devtools::install_github("petermeissner/wikipediatrend")

Usage

starting up …

library(wikipediatrend)
## 
##   [wikipediatrend]
##     
##   Note:
##     
##     - Data before 2016-01-01 
##       * is provided by petermeissner.de and
##       * was prepared in a project commissioned by the Hertie School of Governance (Prof. Dr. Simon Munzert)
##       * and supported by the Daimler and Benz Foundation.
##     
##     - Data from 2016-01-01 onwards 
##       * is provided by the Wikipedia Foundation
##       * via its pageviews package and API.
## 

getting some data …

trend_data <- 
  wp_trend(
    page = c("Der_Spiegel", "Die_Zeit"), 
    lang = c("de", "en"), 
    from = "2007-01-01",
    to   = Sys.Date()
  )

having a look …

trend_data
##      language article     date       views
## 2    en       die_zeit    2007-12-10    74
## 1    de       der_spiegel 2007-12-10   798
## 4    en       die_zeit    2007-12-11    35
## 3    de       der_spiegel 2007-12-11   710
## 5    de       der_spiegel 2007-12-12   770
## 9114 en       die_zeit    2020-05-31   209
## 9116 en       die_zeit    2020-06-01   174
## 9115 de       der_spiegel 2020-06-01  1498
## 9118 en       die_zeit    2020-06-02   208
## 9117 de       der_spiegel 2020-06-02  1252
## 
## ... 9108 rows of data not shown

having another look …

plot(
  trend_data[trend_data$views < 2500, ]
)
## `geom_smooth()` using formula 'y ~ x'

Usage 2

getting some data …

trend_data <- 
  wp_trend(
    page = 
      c(
        "Climate_crisis", 
        "2019–20_coronavirus_pandemic",
        "Donald_Trump",
        "Syria",
        "Crimea",
        "Influenza"
      ), 
    lang = "en", 
    from = "2007-01-01",
    to   = Sys.Date()
  )
## Warning in wpd_get_exact(page = page, lang = lang, from = from, to = to, : Unable to retrieve data for url:
## http://petermeissner.de:8880/article/exact/en/2019–20_coronavirus_pandemic. Status: error.

having a look …

trend_data
##       language article        date       views  
## 1     en       climate_crisis 2007-12-10       0
## 2     en       crimea         2007-12-10    1051
## 5     en       syria          2007-12-10    3205
## 4     en       influenza      2007-12-10    4153
## 3     en       donald_trump   2007-12-10    5050
## 22723 en       climate_crisis 2020-06-02     103
## 22726 en       influenza      2020-06-02    3437
## 22724 en       crimea         2020-06-02    3681
## 22727 en       syria          2020-06-02    4969
## 22725 en       donald_trump   2020-06-02  916742
## 
## ... 22717 rows of data not shown

having another look …

options(scipen = 1000000)

plot(trend_data) + 
  ggplot2::scale_y_log10()
## Warning: Transformation introduced infinite values in continuous y-axis

## Warning: Transformation introduced infinite values in continuous y-axis

## `geom_smooth()` using formula 'y ~ x'

## Warning: Removed 1202 rows containing non-finite values (stat_smooth).

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