# Statistics (G Dataflow)

Performs statistical calculations on a signal.  ## signal

The input signal.

This input supports the following data types:

• Waveform
• Array of waveforms
• 1D array of double-precision, floating-point numbers
• 2D array of double-precision, floating-point numbers ## error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error  If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error ## median

Median value in the input signal. ## mode

Estimated mode of the input signal.

Algorithm for Calculating mode

This node uses a histogram to divide the input signal range into 100 equally-spaced bins, or intervals. mode is the center value of the bin that contains the most values from the input signal. ## mean

Average of the values in the input signal. ## standard deviation

Standard deviation of the values in the input signal. ## variance

Variance of the values in the input signal. ## error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error  If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out. ## IQR

Interquartile range in the input signal. Because the IQR is computed as the difference between the 25th and 75th percentile, this measure of spread is more resistive to outliers than other measures. ## range

Difference in the minimum and maximum values of the input signal.

Where This Node Can Run:

Desktop OS: Windows

FPGA: DAQExpress does not support FPGA devices

Web Server: Not supported in VIs that run in a web application