Protobi

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A really convenient feature of Protobi is that it automatically bins numeric variables into ranges, making it easy to see the data as histogram and crosstabs. You can choose the bin sizes, or whether to do it all.

-   **linear** — Specify the bin size (e.g. `10`)
-   **auto** — Enter `auto` to auto-round base on the standard deviation
-   **log** — Specify `log` to choose logarithmic ranges (in base 10)
-   **custom** — Enter an array of cut-points, e.g. `[10,25,50]`

Try it! click the circle icon select "Round by..." from the context menu.

**Example 1:** Linear ranges

Here we set "Round by" to `auto` which in this case defaults to `10`

**Example 2:** Log

Here we set "Round by" to `log` so bigger numbers get bigger ranges:

**Example 3:** Custom ranges

Here we set "Round by" to `[10,25,50]`

<img src="/uploads/upload/image/5200/direct/1561560661086-numerics-custom.png" alt="Protobi chart for question "Q3" showing the same question with custom binning: ≤ 10 (7.0%), 11 to 25 (27.2%), 26 to 50 (48.8%), > 50 (17.0%), with Mean of 34.7. The custom bins create four groups of varying widths tailored to the data distribution." style="width: 360px;" class="fr-fic fr-dib">

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