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An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature ( ...

GraphPad FAQs

A ratio variable, has all the properties of an interval variable, but also has a clear definition of 0.0. When the variable equals 0.0, there is none of that ...

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

An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature ( ...

GraphPad FAQs

A temperature of 0.0 on either of those scales does not mean 'no temperature'. What about pH and EC50 (or logEC50) values? Acidity is measured by pH, which is ...

GraphPad FAQs

Prism knows how to fit models where a categorical variable has three or more levels (possible values). It creates new variables (one less than the number of ...

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

Prism knows how to fit models where a categorical variable has three or more levels (possible values). It creates new variables (one less than the number of ...

https://www.graphpad.com/guides/prism/9/user-guide/

•Starting at level - this control specifies the starting point for the interval used above. ... Options include Column headers/row titles, variable levels ( ...

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

Prism also reports these values on a log scale. The logEC50 (log molar) is -5.62 with a 95% confidence interval ranging from -6.07 to -4.82. Three things to ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

Your goal is to have a 95% confidence intervals, but in fact the actual confidence level (for all methods) depends on the precise values for the numerator and ...

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

Choose models with categorical independent variables with automatic reference level ... Allows for calculation of mean with custom confidence interval level ...

https://www.graphpad.com/updates/