166
Alphabetical Listing
SinReg
Catalog >
All the lists must have equal dimension
except for
Include
.
X
and
Y
are lists of independent and
dependent variables.
Iterations
is a value that specifies the
maximum number of times (1 through 16) a
solution will be attempted. If omitted, 8 is
used. Typically, larger values result in better
accuracy but longer execution times, and
vice versa.
Period
specifies an estimated period. If
omitted, the difference between values in
X
should be equal and in sequential order. If
you specify
Period
, the differences between
x values can be unequal.
Category
is a list of category codes for the
corresponding
X
and
Y
data.
Include
is a list of one or more of the
category codes. Only those data items
whose category code is included in this list
are included in the calculation.
The output of
SinReg
is always in radians,
regardless of the angle mode setting.
For information on the effect of empty
elements in a list, see “Empty (Void)
Elements,” page 232.
Output
variable
Description
stat.RegEqn
Regression Equation: a
•
sin(bx+c)+d
stat.a, stat.b,
stat.c, stat.d
Regression coefficients
stat.Resid
Residuals from the regression
stat.XReg
List of data points in the modified
X List
actually used in the regression based on
restrictions of
Freq
,
Category List
, and
Include Categories
stat.YReg
List of data points in the modified
Y List
actually used in the regression based on
restrictions of
Freq
,
Category List
, and
Include Categories
stat.FreqReg
List of frequencies corresponding to
stat.XReg
and
stat.YReg
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