Animated Bar Charts in R

The goal of this project is explain how to build Animated Bar Charts in R (which is kinda trending on Social Media these days)

Disclaimer: The code used here is heavily borrowed (You can say, inspired and copied) from the answers of this Stack Overflow Question Animated sorted bar chart with bars overtaking each other

Potential Errors

If you faced this error Error: The gifski package is required to use gifski_renderer

Please install gifski and png package and try again.

Final Output (GIF):

Codes

• gdp_data_cleanup.R - Cleaning up the data downloaded from WorldBank Data Site
• animated_bar_plot_in_R.R - Building Animated Bar Plots

Reproducibility

Packages used:

• gganimate
• tidyverse

Session Info:

> sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS  10.14.3

Matrix products: default
BLAS: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
 [1] gganimate_1.0.1 forcats_0.3.0   stringr_1.4.0   dplyr_0.8.0.1  
 [5] purrr_0.3.2     readr_1.3.1     tidyr_0.8.3     tibble_2.0.1   
 [9] ggplot2_3.1.0   tidyverse_1.2.1

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.1        cellranger_1.1.0  pillar_1.3.1     
 [4] compiler_3.5.1    plyr_1.8.4        prettyunits_1.0.2
 [7] tools_3.5.1       progress_1.2.0    digest_0.6.18    
[10] jsonlite_1.6      lubridate_1.7.4   gtable_0.2.0     
[13] nlme_3.1-137      lattice_0.20-38   png_0.1-7        
[16] pkgconfig_2.0.2   rlang_0.3.2.9000  cli_1.0.1        
[19] rstudioapi_0.9.0  haven_1.1.2       withr_2.1.2      
[22] xml2_1.2.0        httr_1.4.0        hms_0.4.2        
[25] grid_3.5.1        tidyselect_0.2.5  glue_1.3.0       
[28] R6_2.4.0          gifski_0.8.6      readxl_1.1.0     
[31] modelr_0.1.2      tweenr_1.0.1      farver_1.0       
[34] magrittr_1.5      scales_1.0.0      backports_1.1.2  
[37] rvest_0.3.2       assertthat_0.2.0  colorspace_1.3-2 
[40] labeling_0.3      stringi_1.3.1     lazyeval_0.2.1   
[43] munsell_0.5.0     broom_0.5.0       crayon_1.3.4  

Data Source:

The origin input data (csv) has been downloaded from databank.worldbank.org