Ann K. Emery I design information and share my strategies through keynotes and custom workshops. - page 3

Removing Redundancies from My Old Graphs

Removing Redundancies from My Old Graphs

This morning I keynoted a conference in Tallahassee. Data visualizers who critique others before critiquing themselves make me gag, so I opened my talk with a trip down memory lane. Check out this beauty from one of my earliest jobs. I’ve anonymized it but 99.9% of…

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How to Flip Your Bar Charts

How to Flip Your Bar Charts

“Ann, I read your latest post, and I accidentally made a horizontal bar chart when it should’ve been a vertical bar chart! Am I going to have to delete my graph and start from scratch?”   No way. Don’t delete a thing. That would be a huge…

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Bar Charts: Vertical or Horizontal?

Bar Charts: Vertical or Horizontal?

“Ann, should my bar charts be horizontal or vertical?” Ordinal variables get vertical bars Ordinal variables follow a natural progression—an order. I arrange ordinal categories from left to right so my viewers can view the sequence across the page, which means their bars are vertical. Use…

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Bar Charts: Regular or Stacked?

Bar Charts: Regular or Stacked?

Chart choosing is part art and part science. During workshops, I cover my chart choosing thought process in more detail. For now, let me save you hours of time with this not-so-secret secret: Start with a bar chart. Then, fine-tine your bar chart. Try your…

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The Axis: Actual Maximum Value or Potential Maximum Value?

The Axis: Actual Maximum Value or Potential Maximum Value?

Fine-tune your graphs by discussing this question with your colleagues: should our graph’s axes extend to the dataset’s actual maximum value or to the potential maximum value? Option A: Axis stretches just past the actual maximum value (30% in this example) The biggest number is 26%, and…

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