1.4.2.2. - Merging Scans and Background Subtraction
The default
+s option causes the data points from all the scans read in to be sorted
by
x
values and data points with the same
x
value averaged.
If data is to be normalized and/or error bars calculated,
the appropriate weight is given to the count time for each point.
Scan numbers that end with the
letter
b are used as background scans.
The sort-and-merge flag should be in effect when using background scans.
Entering
fn . 12b 13 14b 15b 16 17b
for example, or
fn . 13-15 16-27b
will merge the data from the background scans with the data scans,
subtracting the background counts from the data counts at each
x
value.
When doing merging and background subtraction, the
x
values must be identical for the data points to be merged.
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