Difference between revisions of "FitLogistic Command"
From GeoGebra Manual
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:Calculates the regression curve in the form a/(1 + b e^(-kx)). | :Calculates the regression curve in the form a/(1 + b e^(-kx)). | ||
:{{example|1=<div><code><nowiki>FitLogistic[{(-6, 2), (0, 2), (3, 4), (3.4, 8)}]</nowiki></code> yields <math> \frac{1.98}{1 - 0.03 e^{1x}}</math>.</div>}} | :{{example|1=<div><code><nowiki>FitLogistic[{(-6, 2), (0, 2), (3, 4), (3.4, 8)}]</nowiki></code> yields <math> \frac{1.98}{1 - 0.03 e^{1x}}</math>.</div>}} | ||
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{{Note|1=<div> | {{Note|1=<div> | ||
*The first and last data points should be fairly close to the curve. The list should have at least 3 points, preferably more. | *The first and last data points should be fairly close to the curve. The list should have at least 3 points, preferably more. | ||
*See also [[Fit Command|Fit]], [[FitExp Command|FitExp]], [[FitGrowth Command|FitGrowth]], [[FitLine Command|FitLine]], [[FitLineX Command|FitLineX]], [[FitLog Command|FitLog]], [[FitPoly Command|FitPoly]], [[FitPow Command|FitPow]] and [[FitSin Command|FitSin]].</div>}} | *See also [[Fit Command|Fit]], [[FitExp Command|FitExp]], [[FitGrowth Command|FitGrowth]], [[FitLine Command|FitLine]], [[FitLineX Command|FitLineX]], [[FitLog Command|FitLog]], [[FitPoly Command|FitPoly]], [[FitPow Command|FitPow]] and [[FitSin Command|FitSin]].</div>}} | ||
Revision as of 12:57, 27 August 2015
- FitLogistic[ <List of Points> ]
- Calculates the regression curve in the form a/(1 + b e^(-kx)).
- Example:
FitLogistic[{(-6, 2), (0, 2), (3, 4), (3.4, 8)}]yields \frac{1.98}{1 - 0.03 e^{1x}}.
