Vernier Data Pro - Manual (Page 33)

Data Pro 31
THE ANALYZE OPTION
Tapping on the main or data screens produces a graph of your data
along with a list of analysis options. You can perform a curve fit, model data
with a function other than curve fit functions, determine statistics over a
region of data, and determine the integral over a region of data.
Tapping from the ANALYZE screen produces the Curve Fit screen.
Here you can choose which data to perform the fit on, and select a Fit
Equation.
Tap
for a list of the available equations.
Tapping on an equation will automatically calculate the curve fit for your
data. If you select the Interpolate on Fit option, you can read values from the
fitted curve on the graph screen.
Tap To view your graph with a fitted curve. If you have selected the
Interpolate option, you can tap anywhere along the fitted curve and read x
and y values from the screen.
Tap to calculate the mean, min, max, standard deviation, and number of
data points of a selected region. The numerical results will be displayed. If
you wish to calculate the statistics of a portion of your data, tap , and select
a region. Then tap
. No data are deleted in calculating statistics.
Tap
to integrate a section of the graph. The numerical results will be
presented. If you wish to calculate the statistics of a portion of your data, tap
, and select a region. Then tap .