STEYX() returns the aggregated standard error of the predicted y-value for each x-value in the regression for a series of coordinates represented by paired numbers in x-expression and y-expression iterated over a number of records as defined by a group by clause.
Syntax:
Return data type: numeric
Arguments:
| Argument | Description |
|---|---|
| y_value | The expression or field containing the range of y-values to be measured. |
| x_value | The expression or field containing the range of x-values to be measured. |
Limitations:
Text values, NULL values and missing values in any or both pieces of a data-pair result in the entire data-pair being disregarded.
Examples and results:
Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result.
| Example | Result |
|---|---|
|
Trend: Load *, 1 as Grp; LOAD * inline [ Month|KnownY|KnownX Jan|2|6 Feb|3|5 Mar|9|11 Apr|6|7 May|8|5 Jun|7|4 Jul|5|5 Aug|10|8 Sep|9|10 Oct|12|14 Nov|15|17 Dec|14|16 ] (delimiter is '|'); STEYX1: LOAD Grp, STEYX(KnownY, KnownX) as MySTEYX Resident Trend Group By Grp; |
In a table with the dimension MySTEYX, the result of the STEYX() calculation in the data load script is 2.0714764. |
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