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Input Range
Enter the range of worksheet data you want to sample. The range must be
contiguous.Labels
Indicate whether the fi rst row of the Y range and that of the X range include
header information.Sampling Method
Click the sampling method you want.Periodic
Click to sample values from the input range period cells apart; enter a value
for period in the corresponding box.Random
Click to create a random sample the size of which you enter in the corre-
sponding box.
See “Output Options” at the beginning of this section for information on
the output storage options.