Goodness of Fit

Select menu: Stats | Statistical Tests | Goodness of Fit

A Goodness of Fit test compares data values with a set of expected values.

After you have imported your data, from the menu select
Select menu: Stats | Statistical Tests | Goodness of Fit.
Fill in the fields as required then click Run.

You can set additional Options then after running, you can save the results by clicking Save.

Available data

Lists the data structures appropriate to the current input field. The contents will change as you move from one field to the next. Double-click a name to copy it into the input field, or type the name in directly.

Observed data

Table containing the observed data values.

To create a table click Create table then select a method for populating the table with data: either as a spreadsheet or using grouping factors.

Expected frequencies

Table containing the expected frequencies.

To create a table click Create table then select a method for populating the table with data: either as a spreadsheet or using grouping factors.

Degrees of freedom

Specify the degrees of freedom. If you enter a value here Genstat can calculate the probability value for the test.

Method

You can choose between two ways of calculating the test: Pearson uses the familiar method; the alternative, which may be more accurate, is to use Maximum likelihood.

Create table

Lets you create a new table either from existing data or by typing the values into a blank spreadsheet.