Texas Instruments TI-83 Manual Book page 364

[
LnReg Xlistname , Ylistname , freqlist , regequ
x
ExpReg—(ab
(exponential regression) fits the model equation y=ab
ExpReg
using a least-squares fit and transformed values x and ln(y). It displays
values for and
a
and .
r
[
ExpReg Xlistname , Ylistname , freqlist , regequ
b
PwrReg—(ax
(power regression) fits the model equation y=ax
PwrReg
a least-squares fit and transformed values ln(x) and ln(y). It displays
values for and
a
and .
r
[
PwrReg Xlistname , Ylistname , freqlist , regequ
Logistic—c/(1+aäe
fits the model equation y=c/(1+aäe
Logistic
iterative least-squares fit. It displays values for
[
Logistic Xlistname , Ylistname , freqlist , regequ
TI-83 Plus Statistics
)
; when
b DiagnosticOn
)
; when
b DiagnosticOn
Lbx
)
]
is set, it also displays values for
]
is set, it also displays values for
]
Lbx
) to the data using an
, , and
a b
]
x
to the data
b
to the data using
.
c
2
r
2
r
361