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

CubicReg
MATH/Statistics/Regressions menu
list1
CubicReg
Calculates the cubic polynomial regression and
updates all the statistics variables.
All the lists must have equal dimensions except
for .
list5
represents xlist.
list1
represents ylist.
list2
list3 represents frequency.
list4 represents category codes.
list5 represents category include list.
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
.
Appendix A: Functions and Instructions
[ ]
list2 list3 list4 list5
, , [ ] [, , ]
through must be a variable name
list4
In function graphing mode.
{0,1,2,3}! L1 ¸
{0,2,3,4}! L2 ¸
CubicReg L1,L2 ¸
ShowStat ¸
¸
regeq(x)"y1(x) ¸
does not
list5
NewPlot 1,1,L1,L2 ¸
¥%
{0 1 2 3}
{0 2 3 4}
Done
Done
Done
801