Defining A Regression Model - HP 39gII User Manual

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Defining a regression model

Statistics 2Var app
To delete a single data item, highlight it and press
•
C
. The values below the deleted cell will scroll up
one row.
To delete a column of data, highlight an entry in that
•
column and press
name.
To delete all columns of data, press
•
Select All columns.
Highlight the entry following the point of insertion. Press
, then enter a number. It will write over the zero that
was inserted.
1. In Numeric view, highlight the column you want to
sort, and press
2. Specify the Sort Order. You can choose either
Ascending or Descending.
3. Specify the INDEPENDENT, DEPENDENT, and (if
applicable) the FREQUENCY data columns. Sorting is
by the independent column. For instance, if Age is C1
and Income is C2 and you want to sort by Income,
then you make C2 the independent column for the
sorting and C1 the dependent column.
To sort just one column, choose None for the
–
dependent column.
For one-variable statistics with two data columns,
–
specify the frequency column as the dependent
column.
4. Press .
The Symbolic view includes an expression (Fit1 through
Fit5) that defines the regression model, or "fit", to use for
the regression analysis of each two-variable data set.
There are three ways to select a regression model:
S
. Select the column
CLEAR
S
.
.
CLEAR
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