This module froms classintervals from a numeric column.
Select a variable The first dropdown menu is used to slect a numeric
variable.
Specify number of intervals Next a text field can be used to specify the
number of intervals to generate.
Format change Two different formats can be selected here. This has only
inluence of the format of the generated interval.
Method Select a method how the intervals are generated. Three different
methods are available.
_ equal.width: All intervals have the same range.
_ equal.count All intervals have the same number of values. * specified Ranges can be specified to form class intervals. A small
explanation is given on what the ranges can be and
several text boxes appear where values can be specified.
Custom labels If this check box is checked, a number of text fields are
displayed. In this text fields labels for the intevals can be specified.
Form Class Interval This button adds the interval to the data set.