Search Results

Prism computes the geometric mean by computing the logarithm of all values, then calculating the mean of the logarithms, and finally taking the antilog.

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

When you ask Prism to interpolate X values from Y values you enter, it will leave the result blank in three cases.

GraphPad FAQs

The potency of a drug is commonly quantified as the EC50, the concentration that leads to 50% maximal response (or the logarithm of the EC50).

GraphPad FAQs

On the Fit tab of the nonlinear regression dialog, open the equation folder, Enzyme Kinetics - Substrate vs. Velocity. Then choose the Michaelis-Menten ...

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

In a competitive binding experiment, you use a single concentration of labeled (hot) ligand and vary the concentration of unlabeled (cold) drugs, ...

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

Prism 9 introduces a number of great improvements to the Multiple Variables data table. Explore larger data sets using a standard structure.

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

When you make a grouped graph, there are two ways Prism can plot cells with no data (empty). Choose in the third tab of Format graph. You can choose to plot ...

GraphPad FAQs

Sensitivity and specificity The whole point of an ROC curve is to help you decide where to draw the line between 'normal' and 'not normal'.

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

Two-way ANOVA, also called two-factor ANOVA, determines how a response is affected by two factors. For example, you might measure a response to three ...

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

Prism's linear regression analysis only creates prediction bands correctly when you don't contrain the line to go through a certain point.

GraphPad FAQs