Texas Instruments TI-89 Titanium Short User Manual page 231

QuadReg
MATH/Statistics/Regressions menu
list1
QuadReg
Calculates the quadratic polynomial regression
and updates the system statistics variables.
All the lists must have equal dimensions except
for
list5
represents xlist.
list1
list2 represents ylist.
represents frequency.
list3
represents category codes.
list4
represents category include list.
list5
Note:
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:
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
list1 list4
[
list2 list3 list4 list5
, , [ ] [, ,
.
through must be a variable name
list1 list4
]
] In function graphing mode:
{0,1,2,3,4,5,6,7}! L1 ¸
{4,3,1,1,2,2,3,3}! L2 ¸
QuadReg L1,L2 ¸
ShowStat ¸
¸
Regeq(x)"y1(x) ¸
does not
list5
NewPlot 1,1,L1,L2 ¸
¥ %
]
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 ¸
¥ %
...
{1 2 3 }
...
{4 3 1 }
Done
Done
Done
{ë 2 ë 1 0 ...
}
{4 3 1 ... }
Done
Done
Done
225