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Measuring Usability Homepage
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

Tags

Tag: Log Transformation

Related Tags

Tag Name #
Calculator 168
Confidence Intervals 167
Graph 158
Median 154
Geometric Mean 143
Task Time 128
Sample Size 119
Non-Normal Data 115
log plot 115
Hypothesis Test 113
Geometric Standard Deviation 112
Normal Curve 111
skewness 103
Power 95
Unit Conversion within Customary Units 95
probit regression 90
Margin of Error 49

Pages

The following pages have the tag Log Transformation associated with them. The number of users that have also tagged the page ' Log Transformation ' is in parenthesis.

Graph and Calculator for Confidence Intervals for Task Times ( 139 )
Visualizing your task time data is an essential step in understanding its distribution and computing accurate confidence intervals. This calculator creates a dot-plot of your task times, transforms the raw data to adjust for non-normality and computes the intervals.

Questions

The following questions have the tag Log Transformation associated with them. The number of users that have also tagged the question ' Log Transformation ' is in parenthesis.

My data set is non-normal (cycle time). Can I convert the data into "Good and Bad" based on a specif. . . ( 3 )

How do you make data normally distributed?. . . ( 3 )