Search Results

One of the primary results of Kaplan-Meier survival analysis is the survival proportions or percentages at each time point. These values are most often ...

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

If I have data from three or more groups, is it OK to compare two groups at a time with a t test?

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

These examples demonstrate how to adjust the width of columns (bars, violins, box-and-whiskers, column scatter, etc.) and the spacing between columns for ...

GraphPad FAQs

Directions for using the calculator are listed below, along with more information about two sample t tests and help on which is appropriate for your analysis.

https://www.graphpad.com/quickcalcs/ttest1/

The field of statistics attempts to “quantify uncertainty” found in data. Confidence intervals, prediction intervals, and tolerance intervals are all ways ...

GraphPad FAQs

Click "Analyze", then choose the "Remove baseline" analysis. In the Parameters dialog, tell Prism which column(s) contain the baseline data.

GraphPad FAQs

Excluding values from data tables If a value is too high or too low to be believable, you can exclude it. Excluded values are shown in blue italics on the ...

https://www.graphpad.com/guides/prism/latest/user-guide/

The Mann-Whitney test is a nonparametric test that compares the distributions of two unmatched groups. It is sometimes said to compare medians, ...

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

A Bland-Altman plot compares two assay methods. It plots the difference between the two measurements on the Y axis, and the average of the two measurements ...

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

Apr 1, 2020 ... ... percentile). The whiskers extend down to the smallest value and up ... percentiles or quantiles. Plotting residuals vs. row numbers ...

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