CASCALC89 COMMAND · NOT ON THE TI-89
LinRegMx
Fits a line y=m·x+b to data with least squares regression. The results are stored in stat variables such as stat.RegEqn.
Syntax
LinRegMx X,Y[,[Freq][,Category,Include]]
- Group
- Statistics
- Arguments
- Takes the x list, the y list and optional frequency, category and include lists.
- Availability
- Included
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| LinRegMx {1,2,3,4},{2,4,5,9}:stat.RegEqn | 2.2·x−0.5 |
Typing LinRegMx {1,2,3,4},{2,4,5,9}:stat.RegEqn on the home screen and pressing ENTER returns 2.2·x−0.5.
Related commands
- LinRegtIntervalsComputes confidence intervals for a linear regression, for the slope or for a predicted response.
- LinRegtTestPerforms a t test on the slope of a linear regression and the correlation of the data.
- LnRegFits a logarithmic model y=a+b·ln(x) to data with least squares regression.
- LogisticFits a logistic growth model y=c/(1+a·ℯ^(−b·x)) to data.
- LogisticDFits a logistic model with an added constant d to data.
- mean(Returns the arithmetic mean of the elements of a list.
- median(Returns the median of the elements of a list.
- MedMedFits a median median line to data, a line that is resistant to outliers.