'Natural log transformation' diaporamas de présentation

Basic Statistics

801 views • 62 slides

Exploring Assumptions

Exploring Assumptions. Chapter 5. Assumptions of Parametric Data. Parametric tests are based on the normal distributions and the following must be met: Normally distributed data. Homogeneity of variance: Variances should be equal throughout the data The groups should have equal variance

656 views • 45 slides

More on data transformations

More on data transformations. No recipes, but some advice. If the primary problem is non-linearity, look at a scatter plot of the data to suggest plausible transformations. It is possible to use transformations other than ln(x) and ln(y). Try fitting. if the trend in your.

270 views • 15 slides