Building Histogram for lognormal data

Building Histogram for lognormal data

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Article ID: KB0081918

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Spotfire Analyst All Versions

Description

How to build a histogram for lognormal data?
 

Issue/Introduction

Building Histogram for lognormal data

Environment

All

Resolution

To create a histogram, bin the category axis of a Bar Chart whose value axis is (Row Count). The following is an example of a custom expression that will do this when the category axis is defined using a numeric column.

     AutoBinNumeric([Mileage],12)

To log-transform the category axis of the histogram, right-click on its category axis, then select "Log Scale" from the context-sensitive menu.