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Step by step Create an XY data table. There is one X column, and many Y columns. If you have several experimental conditions, place the first into column A, ...

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

It is easy to be confused about the difference between the standard deviation (SD) and the standard error of the mean (SEM). Here are the key differences:

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

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https://www.graphpad.com/demos/

This equation is used when X values are logarithms of doses or concentrations. Use a related equation when X values are concentrations or doses.

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

Identifying outliers in a stack of data is simple. Click Analyze from a Column data table, and then choose Identify outliers from the list of analyses for ...

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

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/

A method for selecting principal components that accounts for variance in the data due to random error or noise.

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

Prism provides two approaches for fitting a curve without selecting a model. From a table or graph of XY data, click Analyze, and then choose 'Fit spline/ ...

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

A less cumbersome alternative to typical heavy-duty statistical programs. Most statistics programs are designed by statisticians, for statisticians.

https://www.graphpad.com/scientific-software/instat/

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

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