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setup-and-troubleshooting.md

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Troubleshooting and setup

Setup needed for sessions 3-7:

  1. Please ensure that you are able to follow these instructions before the start of the sessions.

    • If you completed the RStudio projects exercise of session 2: instructions here
    • If you did not attend session 2: instructions here

  2. Try loading the following packages depending on the sessions you will attend before the sessions. If you don't have the packages installed, install using install.packages("package-name"). If you do not know what package loading or installation is, you will have to check the recording of session 1 and session 2, otherwise you will not be able to follow the contents of sessions 3-7.

    • Used in all sessions: tidyverse, here
    • Data wrangling: janitor
    • Descriptive analysis: huxtable, modelsummary, lfe, openxlsx, skimr
    • Geospatial data: sf, rworldmap, ggmap, wesanderson (that's the actual name)
    • Introduction to R markdown: tinytex, stargazer, huxtable
    • Data visualization: no additional packages needed

Troubleshooting

Please refer to the instructions below to troubleshoot any errors you might for the setup.

Package not yet installed

If you get an error with the message:

Error in ...: `there is no package called ...`

when trying to load a package with library(), that means that the package is not installed in your computer yet. Use install.packages("package-you-tried") and try again. Note that you usually refer to the package name with double quotes when installing, but without quotes when loading.

Function not found

If you try a function and get an error with the message:

 Error in ...: `could not find function ...`

That can mean that you have a typo or that you are calling a function from a package that you have not loaded yet. Use library() to make sure the corresponding package is loaded and try again.

WB firewall rejection the installation of packages

If you try to install a package in a WB computer and get a large message in which the last two lines says something similar to:

unable to access index for repository https://cran.rstudio.com/bin/windows/[URL continues]
cannot open URL 'https://cran.rstudio.com/bin/windows/[URL continues]

then the issue is probably that the WB firewall rejected your connection to the URL to install the package. Follow these instructions to solve the issue.