After making choices, update the existing data with the preprocessed data by clicking.Replace Data
In the Replace Data tab, select data to replace by dragging across a region in the plot.
Once you select data, choose how to replace it using the Replace selected data drop-
down list. You can replace the data you select with one of these options:- A constant value
- Region initial value
- Region final value
- A line
The replaced preview data changes color and the replacement data appears on the plot.
At any time before updating, click Clear preview to clear the data you replaced and start
over.After making choices, update the existing data with the preprocessed data by clicking.Replace Data can be useful, for example, to replace outliers. Outliers can be defined as
data values that deviate from the mean by more than three standard deviations. When
estimating parameters from data containing outliers, the results may not be accurate.
Hence, you might choose to replace the outliers in the data before you estimate the
parameters.See Also
More About
- “Input/Output Data for Identification” on page 7-89
- “System Identification for PID Control” on page 7-81
- “Import Measured Response Data for Plant Estimation” on page 7-67
7 PID Controller Tuning