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[Regression] Switched affine and linear

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This commit is contained in:
Joachim LF
2020-04-29 08:44:18 +02:00
committed by LeaNumworks
parent 833f6ec778
commit 5297f28ffa
5 changed files with 18 additions and 18 deletions
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9
apps/regression/model/linear_model.cpp
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@@ -1,4 +1,4 @@
#include "linear_model.h"
#include "affine_model.h"
#include "../store.h"
#include <poincare/layout_helper.h>
#include <math.h>
@@ -10,7 +10,7 @@ namespace Regression {
Layout LinearModel::layout() {
if (m_layout.isUninitialized()) {
const char * s = "a·X+b";
const char * s = "a·X";
m_layout = LayoutHelper::String(s, strlen(s), k_layoutFont);
}
return m_layout;
@@ -18,8 +18,7 @@ Layout LinearModel::layout() {
double LinearModel::evaluate(double * modelCoefficients, double x) const {
double a = modelCoefficients[0];
double b = modelCoefficients[1];
return a*x+b;
return a*x;
}
double LinearModel::levelSet(double * modelCoefficients, double xMin, double step, double xMax, double y, Poincare::Context * context) {
@@ -28,7 +27,7 @@ double LinearModel::levelSet(double * modelCoefficients, double xMin, double ste
if (a == 0) {
return NAN;
}
return (y-b)/a;
return y-b;
}
void LinearModel::fit(Store * store, int series, double * modelCoefficients, Poincare::Context * context) {