Archive for How-Tos

Four Steps: Social Network Analysis by Twitter Hashtag with NodeXL [Guest post by Johanna Morariu]

Four Steps: Social Network Analysis by Twitter Hashtag with NodeXL [Guest post by Johanna Morariu]

Note from Ann: Today’s guest post is from Johanna Morariu, Director of Innovation Network, AEA DVRTIG Chair, and dataviz aficionado. Basic social network analysis is something EVERYONE can do. So let’s try out one social network analysis tool, NodeXL, and take a peek at the…

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Dataviz Challenge #6: Can You Make a Unit Chart?

Dataviz Challenge #6: Can You Make a Unit Chart?

Lately I’ve been feeling let down by summary statistics: the min and max, mean and median, quartiles and standard deviation… They do their job well enough. Summary statistics tell a summary. An aggregate story, bringing all the messy scores together into some sort of cohesion. We…

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Dataviz Challenge #5: How to Make a Diverging Stacked Bar Chart in Excel

Dataviz Challenge #5: How to Make a Diverging Stacked Bar Chart in Excel

I’ve been in love with diverging stacked bar charts since I saw Joe Mako’s submission to Cole Nussbaumer’s dataviz challenge last December. Joe made this contest-winning chart. But in Tableau! The amazing but expensive software! Could I ever create one in Excel?! Yes! Luckily I’d…

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Dataviz Challenge #5: Can You Make a Diverging Stacked Bar Chart?

Dataviz Challenge #5: Can You Make a Diverging Stacked Bar Chart?

Last week I shared strategies for improving any chart’s colors. One of the examples was a diverging stacked bar chart: I love stacked bar charts because they’re pretty versatile, and because they’re a great chart for lots of evaluation and survey data. In my example,…

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Dataviz Challenge #4: How to Make a Small Multiples Bar Chart in Excel

Dataviz Challenge #4: How to Make a Small Multiples Bar Chart in Excel

Two weeks ago, I challenged readers to re-create the “after” version of a small multiples bar chart. You can read the full post here. Congratulations to the 6 contestants! Click on the contestant’s name to see their chart. James Coyle Sara Vaca Elisa Avila Angie…

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