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This calculator assesses how well two observers, or two methods, classify subjects into groups. The degree of agreement is quantified by kappa.

https://www.graphpad.com/quickcalcs/kappa1/

Use this free web GraphPad QuickCalc. It computes Kappa using equations from Fleiss, Statistical methods for rates and proportions, third edition.

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Analyze categorical data. Fisher's, Chi square, McNemar's, Sign test, CI of proportion, NNT (number needed to treat), kappa.

https://www.graphpad.com/quickcalcs/catmenu/

Fisher's, Chi square, McNemar's, Sign test, CI of proportion, NNT (number needed to treat), kappa. Continuous data. Descriptive statistics, detect outlier, t ...

https://www.graphpad.com/quickcalcs/

Quantify agreement with kappa (1%); Post test calculator (1%); Statistical ratio calculator: Z ratio, T ratio, F ratio, Chi-square (1%). We're always looking ...

GraphPad FAQs

How can I quantify agreement between two tests or observers using kappa?(1126) The degree symbol appears fine at first, but then changes to a question mark ...

GraphPad FAQs

https://www.graphpad.com/guides/prism/8/pdf/

This page describes the steps necessary to perform Kaplan-Meier survival analysis within Prism. To learn more about the background and mathematics involved in ...

https://www.graphpad.com/guides/prism/latest/statistics/

Prism can perform correlation analyses from XY, Column, and Multiple Variables data tables. Click the Analyze button and choose correlation.

https://www.graphpad.com/guides/prism/latest/statistics/

McNemar's test is used to compare paired proportions. It can be used to analyze retrospective case-control studies, where each case is matched to a particular ...

https://www.graphpad.com/quickcalcs/mcnemar1/