Quartreg Math/Statistics/Regressions Menu - Texas Instruments TITANIUM TI-89 User Manual

Note:
list1
or c1–c99. (columns in the last data variable
shown in the Data/Matrix Editor).
have to be a variable name and cannot be c1–c99
.
QuartReg
MATH/Statistics/Regressions menu
list1
QuartReg
Calculates the quartic polynomial regression and
updates the system statistics variables.
All the lists must have equal dimensions except
for list5 .
represents xlist.
list1
represents ylist.
list2
represents frequency.
list3
represents category codes.
list4
represents category include list.
list5
Note:
list1
or c1–c99 (columns in the last data variable
shown in the Data/Matrix Editor).
have to be a variable name and cannot be c1–
c99.
860
through must be a variable name
list4
[
list2 list3 list4 list5
, , [ ] [, , ]
through must be a variable name
list4
¸
Regeq(x) " y1(x) ¸
NewPlot 1,1,L1,L2 ¸
does not
list5
¥%
]
In function graphing mode:
{ ë 2, ë 1,0,1,2,3,4,5,6} ! L1 ¸
{4,3,1,2,4,2,1,4,6} ! L2 ¸
QuartReg L1,L2 ¸
ShowStat ¸
does not
list5
¸
Regeq(x) " y1(x) ¸
NewPlot 1,1,L1,L2 ¸
¥%
Appendix A: Functions and Instructions
Done
Done
{ ë 2 ë 1 0 }
...
{4 3 1 }
...
Done
Done
Done