The following node is available in the Open Source KNIME predictive analytics and data mining platform version 2.7.1. Discover over 1000 other nodes, as well as enterprise functionality at http://knime.com.

One-way ANOVA

Computes statistics for the one-way analysis of variance (ANOVA). It is designed to compare the means of observations in the same column between several groups. The node allows the testing of equality of variances (Levene's test) and provides the relevant descriptive statistics.

Dialog Options

Factor
Column holding the grouping information data.
Confidence Interval (in %)
The limits for the confidence interval are computed using this number. The default is 95 which means that you can be 95% confident that the true value of the parameter is in the confidence interval.
Test columns
A one-way ANOVA is performed separately for each of these columns.

Ports

Input Ports
0 The Input
Output Ports
0 Statistics for the one-way ANOVA.
1 Statistics for the Levene-Test.
2 Descriptive statistics of the input.

Views

Test statistics
Tables with descriptive statistics of the input columns and test statistics of the one-way ANOVA.
This node is contained in KNIME Statistic Nodes provided by KNIME GmbH, Konstanz, Germany.