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Be sure you select the correct equation when performing nonlinear regression! If you'd like to convert concentration values to log(concentration) values - or ...

GraphPad FAQs

Repeated measures ANOVA calculations require complete data. If a value is missing for one participant or animal, you'd need to ignore all data for that ...

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

The conversion from decimal to binary and back means that the rounding is not always what you'd predict. How Prism rounds. By default, Prism tries to show ...

GraphPad FAQs

When a drug binds to a receptor with mass action rules, the fraction occupancy equals D/(D+K), where D is the concentration of drug (that you vary) and K is ...

GraphPad FAQs

So you'd expect twice the MAD to approximately equal the interquartile range. The MAD is resistant to outliers. The presence of outliers does not change the ...

GraphPad FAQs

You'd get exactly the same t ratio if the null hypothesis was set to twice the observed difference. This is the counter null value. Your data are equally ...

GraphPad FAQs

The concept of synergy is very complicated. When you apply two drugs to a system, is the response more than you'd predict from the two individual responses?

GraphPad FAQs

Goto D. Go to the data section, to the data table last visited. ClearTable. Erase all data from the table. Import. Import the file defined by the ForEach ...

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

The Fisher's test is called an "exact" test, so you'd think there is exactly one way to compute the P value. Not so. While everyone agrees on how to compute ...

GraphPad FAQs

You'd violate this assumption if you correlate midterm exam scores with overall course score, as the midterm score is one of the components of the overall score ...

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