I blew it! In my post earlier this morning about charts with dual y-axes I picked some miscellaneous data as an illustration. Then I saw a tweet about an article written in October that lays out the ...

Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...

Dual-axis charts are misleading for predicting market behavior; price action analysis and regime classification offer better insights. Current market dynamics resemble 2008, but future paths depend on ...

Apple’s Numbers spreadsheet app offers a wide variety of charts to help interpret the data in its tables (as does its Pages word processor). But when you want to turn numbers into pictures, you need ...