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Asjad Naqvi Profile picture
@AsjadNaqvi
Sep 9, 2022 โ€ข 11 tweets โ€ข 9 min read โ€ข Read on X
A ๐Ÿงต to keep track of my @Stata #dataviz packages ๐Ÿ‘‡

1) ๐˜€๐—ฐ๐—ต๐—ฒ๐—บ๐—ฒ๐—ฝ๐—ฎ๐—ฐ๐—ธ: Has a large collection of ready-to-use #Stata #schemes.

Two I personally use all the time are white_tableau (clean white) and neon (black background).

github.com/asjadnaqvi/Staโ€ฆ
2) ๐—ท๐—ผ๐˜†๐—ฝ๐—น๐—ผ๐˜: A #Stata package for classic #ridgeline plots

github.com/asjadnaqvi/staโ€ฆ
3) ๐˜€๐˜๐—ฟ๐—ฒ๐—ฎ๐—บ๐—ฝ๐—น๐—ผ๐˜: A #Stata package for centered area graphs

github.com/asjadnaqvi/staโ€ฆ
4) ๐—ฏ๐—ถ๐—บ๐—ฎ๐—ฝ: A #Stata package for #bi-variate #maps

github.com/asjadnaqvi/staโ€ฆ
5) ๐—ฐ๐—น๐—ถ๐—ฝ๐—ด๐—ฒ๐—ผ: A #Stata package for #clipping #polygons and #polylines

github.com/asjadnaqvi/staโ€ฆ
6) ๐—บ๐—ฎ๐—ฟ๐—ถ๐—บ๐—ฒ๐—ธ๐—ธ๐—ผ: A #Stata package for #Marimekko bar graphs

github.com/asjadnaqvi/staโ€ฆ
7) ๐—ฎ๐—ฟ๐—ฐ๐—ฝ๐—น๐—ผ๐˜: A #Stata package for plotting #network datasets as arcs

github.com/asjadnaqvi/staโ€ฆ
8) ๐—ฑ๐—ฒ๐—น๐—ฎ๐˜‚๐—ป๐—ฎ๐˜†: A #Stata package for plotting #Delaunay #triangles, convex hull, and #Voronoi #tessellations.

My first major #Mata package!

github.com/asjadnaqvi/staโ€ฆ
9) ๐—ฐ๐—ถ๐—ฟ๐—ฐ๐—น๐—ฒ๐—ฝ๐—ฎ๐—ฐ๐—ธ: A #Stata package for circle packing heirarchical data

github.com/asjadnaqvi/staโ€ฆ
10) ๐˜๐—ฟ๐—ฒ๐—ฒ๐—บ๐—ฎ๐—ฝ: A #Stata package for plotting heirarchical data as #treemaps

github.com/asjadnaqvi/staโ€ฆ
11) ๐˜€๐—ฝ๐—ถ๐—ฑ๐—ฒ๐—ฟ: A #Stata pacakge for spider plots

github.com/asjadnaqvi/staโ€ฆ

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More from @AsjadNaqvi

Asjad Naqvi Profile picture
Sep 13, 2023
#Stata v18 has added a bunch of new features to control colors in the past updates. Let's start with an example data:

set scheme stcolor
sysuse census.dta, clear
gen under5 = (poplt5 / pop) * 100

twoway (scatter under5 medage, msize(2))

The scheme layout has minor tweaks: Image
A new feature of v18 is to color by groups using a single line:

twoway (scatter under5 medage, msize(2) colorvar(region) colordiscrete)

This is amazing but 2 issues; discrete variables should have a regular legend. The line legend is confusing. The hues are not readable. Image
More options have been added to define start and end colors

twoway (scatter under5 medage, msize(2) colorvar(region) colordiscrete colorstart(red) colorend(eltblue))

But still we end up with hues where categories 3 and 4 are not discernible. Image
Read 9 tweets
Asjad Naqvi Profile picture
Oct 31, 2022
The #30DayMapChallenge 2022 starts tomorrow. In the last 2 years a lot of work has been put in @Stata to mainstream some of the map elements we find in other softwares. He is a ๐Ÿงต on the different types of maps one can make. If you want the code for any, just msg! Let's go ๐Ÿ‘‡
The basic #spmap package can already do a lot! Here are some examples using standard spmap syntax.

These were made for the online #GIS tutorials earlier this year that were fairly well attended! Over 1400+ registrations and 500+ ppl online. Might repeat it again. ImageImageImageImage
The #bimap package that actually was the result of the #30DayMapChallenge last year allows you to combine two variables to check for interesting spatial correlations.

Install from SSC (ssc install bimap, replace)

See GitHub for further instructions
github.com/asjadnaqvi/staโ€ฆ ImageImageImageImage
Read 11 tweets
Asjad Naqvi Profile picture
Oct 28, 2022
Half through sorting the #dataviz bookmarks and still haven't found the links I am looking for (the curse of over bookmarking).

But here are 10+1 super amazing, interactive, and midn-blowing๐Ÿคฏ #environment, #climate, #trade, #emissions related websites that are just ๐Ÿคฉ

๐Ÿ‘‡๐Ÿ‘‡
1/ The #WorldBank's #SDG atlas covers each #SDG goal in detail with some great datavizzes inside each of them. Check it out! Really a lot of effort went into this.

datatopics.worldbank.org/sdgatlas/
2/ @ChathamHouse brings an interactive resource website that allows you to explore bi-lateral #trade linkages. Data currently ranges from 2000-2020.

resourcetrade.earth
Read 13 tweets
Asjad Naqvi Profile picture
Oct 15, 2022
A late night ๐Ÿงต on some tips for making grayscale (BW) & colorblind (cblind) friendly graphs in @Stata. BW in case people print out papers, and cblind to make sure documents are "barrier free".

Graphs have 3 elements that we can control: colors, line patterns, & symbols.

1/
Let's start with colors: Whatever color scheme we use, we can check whether it will pass the BW and cblind tests. This can be easily tested using the palettes package. Install these, if you haven't already:

ssc install palettes, replace
ssc install colrspace, replace

2/
There are three types of common color-blindnesses that can we can check in #Stata: "Protanopia" & "Deuteranopia" where shades of red and green are not discernable, & "Tritanopia" where blue-green, purple-red, yellow-pink are hard to differentiate.

Test yourself ๐Ÿ‘‡๐Ÿ‘‡

3/ Image
Read 13 tweets
Asjad Naqvi Profile picture
Oct 11, 2022
The ultimate clustering standard errors paper just dropped:

When Should You Adjust Standard Errors for Clustering?

by some big names in the field :)

academic.oup.com/qje/advance-arโ€ฆ
Here is a quick paper pass: The authors discuss 3 misconceptions:

1) clustering is needed when smaller units are correlated with larger units (its not!)

2) just do clustering for the sake of robustness (dont!)

3) researchers use either cluster SEs OR robust SEs (use both!)
The authors provide a discussion and recommendations on:

1) clustering strategy in the design process (e.g. sampling, DGP etc.)

2) clustering strategy in the assignment process (e.g. clustering of treatments etc.)

Second can also help understand the data better.
Read 5 tweets
Asjad Naqvi Profile picture
Sep 14, 2022
A ๐Ÿงต to consolidate the #Statatip posts from the past three years! Bookmark these.

If you want to read them in detail, have a look at the Awesome @Stata tips collection:

medium.com/the-stata-guidโ€ฆ

Its updated every 2-3 months or so. Many tips below ๐Ÿ‘‡
Using value labels as variable names

#statatip

Using variable labels as names

#statatip

Read 38 tweets

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