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.

Paired t-test

Computes statistics for the paired sample t-test. It is designed to compare the means of observations that are not independent of one another.

Dialog Options

Left Column - Right Column
You can define the test column pairs here. Every pair is used to perform a paired t-test separately.
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.

Ports

Input Ports
0 The Input
Output Ports
0 Statistics for the paired t-test.
1 Descriptive statistics of the input.

Views

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