CASTI-89 TITANIUM · CALC89
SinReg
Fits a sinusoidal model y=a·sin(b·x+c)+d to data. The results are stored in stat variables such as stat.RegEqn.
Syntax
SinReg X,Y[,[Iterations],[Period][,Category,Include]]
- Group
- Statistics
- Arguments
- Takes the x list, the y list, an optional number of iterations, an optional period and optional category and include lists.
- Availability
- Included
- Menu path
- MATH ▸ Statistics ▸ CALC ▸ SinReg
Example
| Input | Result |
|---|---|
| SinReg {0,1,2,3,4,5,6,7},{0,0.84,0.91,0.14,-0.76,-0.96,-0.28,0.66}:stat.b | 1.0003577369 |
Typing SinReg {0,1,2,3,4,5,6,7},{0,0.84,0.91,0.14,-0.76,-0.96,-0.28,0.66}:stat.b on the home screen and pressing ENTER returns 1.0003577369.
Keystrokes on the TI-89 Titanium
2NDMATH6▶▼×15ENTER
The same key sequence inserts SinReg in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- stDevPop(Returns the population standard deviation of a list.
- stDevSamp(Returns the sample standard deviation of a list.
- tIntervalComputes a t confidence interval for a population mean when σ is unknown.
- tInterval_2SampComputes a t confidence interval for the difference of two population means.
- tTestPerforms a one sample t test on a population mean when σ is unknown.
- tTest_2SampPerforms a two sample t test on the difference of two population means.
- TwoVarComputes two variable statistics of paired data, such as means, sums and the correlation.
- varPop(Returns the population variance of a list.