# Statistics Vision Data Access functions

This topic lists the Vision Data Access functions that are used for statistical functions.

Note: All returned values are from a referenced Stats structure, which is inserted in the spreadsheet when the ComputeStats function Functions are tools that are available in Spreadsheet for processing and analyzing acquisitions or other results. You can add functions to your Spreadsheet job to create tool chains and produce results for specific applications. is created.

Function | Description
--- | ---
GetErrorCount(Stats) | Returns the number of errors.
GetLatest(Stats) | Returns the most recent value used to compute the statistics.
GetMax(Stats) | Returns the largest value used to compute the statistics.
GetMean(Stats) | Returns the mean (average) of the values.
GetMin(Stats) | Returns the smallest value used to compute the statistics.
GetNumSamples(Stats) | Returns the total number of samples used for calculations.
GetRange(Stats) | Returns the range between the minimum and maximum values.
GetSDev(Stats) | Returns the standard deviation of the values. Note: This calculation is a biased standard deviation, where the denominator is N-1. An unbiased standard deviation has a denominator of N.
GetSum(Stats) | Returns the sum of the values.
GetVariance(Stats) | Returns the variance for the referenced value.