User`s guide

datastats
4-92
4datastats
Purpose Return descriptive statistics about the data
Syntax xds = datastats(xdata)
[xds,yds] = datastats(xdata,ydata)
Arguments
Description
xds = datastats(xdata) returns statistics for xdata to the structure xds. The
structure contains the fields shown below.
[xds,yds] = datastats(xdata,ydata) returns statistics for xdata and ydata
to the structures
xds and yds, respectively. xds and yds contain the fields
shown above.
xdata and ydata are column vectors of the same size.
Remarks If xdata or ydata contains complex values, only the real part of the value is
used in the statistics computations. If the data contains
Infs or NaNs, they are
processed using the usual MATLAB rules.
xdata A column vector of predictor data.
ydata A column vector of response data.
xds A structure containing descriptive statistics for xdata.
yds A structure containing descriptive statistics for ydata.
Field Description
num
The number of data values
max The maximum data value
min The minimum data value
mean The mean value of the data
median The median value of the data
range The range of the data
std The standard deviation of the data