http://www.andrewheiss.com/blog/2018/12/05/test-any-hypothesis/

[andrewheiss]

How to test any hypothesis with the infer package | Andrew Heiss
http://www.andrewheiss.com/blog/2018/12/05/test-any-hypothesis/

[andrewheiss]

Originally posted by GUEYE Nono Ghislain on 2019-05-24 14:28:48

I would love to follow this tutorial; however, it seems that the dataset
has been updated since the writing of the article. The CSV file
mentioned at the beginning currently does not contain many of the column
names in the code.

[andrewheiss]

Originally posted by GUEYE Nono Ghislain on 2019-05-24 19:03:00

Thank you for replying. The code attempts to select a specific set of
columns from WWBIData.csv and rename them on the fly. One of these
columns is `Country Name` according to the script above. It turns out
the data set does not have any column called `country Name`. That's
just one example. Here are the column names that the data set has when I
download it (pardon my lack of proper formatting):

[1] "Country Code" "Short Name"
[3] "Table Name" "Long Name"
[5] "2-alpha code" "Currency Unit"
[7] "Special Notes" "Region"
[9] "Income Group" "WB-2 code"
[11] "National accounts base year" "National accounts reference year"
[13] "SNA price valuation" "Lending category"
[15] "Other groups" "System of National Accounts"
[17] "Alternative conversion factor" "PPP survey year"
[19] "Balance of Payments Manual in use" "External debt Reporting status"
[21] "System of trade" "Government Accounting concept"
[23] "IMF data dissemination standard" "Latest population census"
[25] "Latest household survey" "Source of most recent Income and expenditure data"
[27] "Vital registration complete" "Latest agricultural census"
[29] "Latest industrial data" "Latest trade data"
[31] "X31"

[andrewheiss]

Originally posted on 2019-05-24 19:10:48

Those are the columns in WWBICountry.csv. The columns in WWBIData.csv
should look like this:

[1] "Country Name" "Country Code" "Indicator Name" "Indicator Code" "2000" "2001"
[7] "2002" "2003" "2004" "2005" "2006" "2007"
[13] "2008" "2009" "2010" "2011" "2012" "2013"
[19] "2014" "2015" "2016" "X22"

[andrewheiss]

Originally posted by GUEYE Nono Ghislain on 2019-05-24 19:14:56

Oh no, my apologies. I changed the file name to check its content and
never changed it back to the correct one. Thank you so much for your
prompt response and thank you for Modern Dive!

[andrewheiss]

Originally posted on 2019-05-24 19:16:07

No problem! Also, getting these codes is way easier than reading the CSV
if you use the WDI package instead. It connects with the World Bank's
API directly and returns pre-tidied data.

[andrewheiss]

Originally posted by GUEYE Nono Ghislain on 2019-05-24 19:23:16

That's pretty neat. I didn't know about the WDI package. I'll look
into it. This should be great for the classes I teach.

[andrewheiss]

Originally posted by Franco Arda on 2020-07-13 06:33:22

Dear Andrew, thank you for sharing your experience with ModernDive. I
love the books as well. Haha, "explain the p-value ...". I guess it
becomes easier to explain the p-value with Confidence Intervals (CI) as
you displayed in the last graph.

[andrewheiss]

Originally posted by Franco Arda on 2020-07-13 08:16:12

Just for fun, here's my attempt to explain p-value in one sentence:

"Without having had breakfast today, is my today's running distance in
the top 5% compared to my historical distances."