Trace Processing
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The raw trace data (Fig. 1) needs to be processed in a series of subsequent steps. Usually the first step is a smoothing (Fig. 2) followed by a baselining (Fig. 3).
  
Description
Example
Fig 1. Raw data - the original data:

This image shows a close-up view of raw trace data as acquired by an automatic sequencer.

Note:
There is a lot of noise in the data! The peaks are not sitting on the bottom line.
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Fig2. Smoothing - the first processing step:

The example image shows the above raw data after smoothing.

See Smoothing Details to learn more about smoothing.
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Fig 3. Baselining - the second processing step:

The image shows the same data set after correcting the data using a baselining algorithm.

See Baselining Details to read more about the baselining procedure.
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See
> Data analysis.