User`s guide

Statistical Calculations
125
Regression Models and Variables
The 10bII+ has six built-in regression models, as well as the ability to calculate which model
best fits the current data. These six regression modes are listed in the table below.
Press ]L to open the regression selection application. The initially displayed option is
the current setting. Press 1 or A to scroll through the available regressions. With the
desired model displayed, press
Æ to select it. To exit without changing the current model,
press M. As an alternative to scrolling, and if you know the number of the desired model,
press ]L followed by the desired number of the fit option.
Table 12-13 Calculating the average monthly rent
Keys Display Description
\t
STAT CLR
(message flashes briefly,
then disappears)
Clears statistics memory.
V::ÆVY¡
1.00 Enters first rent and its weight.
V:VÆDG¡
2.00 Enters second rent and its
weight.
VJ:Ægg¡
3.00 Enters third rent and its weight.
VJSÆdG¡
4.00 Enters fourth rent and its weight.
\T
509.44 Calculates the weighted mean.
Table 12-14 Regression models
Number and Mode Description
0-Best Fit Automatically selects fit
1-Linear m*x+b
2-Logarithm m*ln(x)+b
3-Exponential
b*e
(m*x)
4-Power
b*x
m
5-Exponent
b*m
x
6-Inverse m/x+b