def _setup_plot(self):
target = self.target_index
selected = self.selected_classifiers
curves = [self.plot_curves(target, clf_idx) for clf_idx in selected]
for curve in curves:
self.plot.addItem(curve.curve_item)
if self.display_convex_hull:
hull = convex_hull([c.curve.hull for c in curves])
self.plot.plot(hull[0], hull[1], pen="y", antialias=True)
pen = QPen(QColor(100, 100, 100, 100), 1, Qt.DashLine)
pen.setCosmetic(True)
self.plot.plot([0, 1], [0, 1], pen=pen, antialias=True)
def _setup_plot(self):
target = self.target_index
selected = self.selected_classifiers
curves = [self.plot_curves(target, clf_idx) for clf_idx in selected]
for curve in curves:
self.plot.addItem(curve.curve_item)
if self.display_convex_hull:
hull = convex_hull([c.curve.hull for c in curves])
self.plot.plot(hull[0], hull[1], pen="y", antialias=True)
pen = QPen(QColor(100, 100, 100, 100), 1, Qt.DashLine)
pen.setCosmetic(True)
self.plot.plot([0, 1], [0, 1], pen=pen, antialias=True)
def _setup_plot(self):
target = self.target_index
selected = self.selected_classifiers
curves = [self.plot_curves(target, clf_idx) for clf_idx in selected]
for curve in curves:
self.plot.addItem(curve.curve_item)
if self.display_convex_hull:
hull = convex_hull([c.curve.hull for c in curves])
self.plot.plot(hull[0], hull[1], pen="y", antialias=True)
pen = QPen(QColor(100, 100, 100, 100), 1, Qt.DashLine)
pen.setCosmetic(True)
self.plot.plot([0, 1], [0, 1], pen=pen, antialias=True)
warning = ""
if not all(c.curve.is_valid for c in curves):
if any(c.curve.is_valid for c in curves):
warning = "Some lift curves are undefined"
else:
warning = "All lift curves are undefined"
self.warning(warning)
def _setup_plot(self):
target = self.target_index
selected = self.selected_classifiers
curves = [self.plot_curves(target, clf_idx) for clf_idx in selected]
for curve in curves:
self.plot.addItem(curve.curve_item)
if self.display_convex_hull:
hull = convex_hull([c.curve.hull for c in curves])
self.plot.plot(hull[0], hull[1], pen="y", antialias=True)
pen = QPen(QColor(100, 100, 100, 100), 1, Qt.DashLine)
pen.setCosmetic(True)
self.plot.plot([0, 1], [0, 1], pen=pen, antialias=True)
warning = ""
if not all(c.curve.is_valid for c in curves):
if any(c.curve.is_valid for c in curves):
warning = "Some lift curves are undefined"
else:
warning = "All lift curves are undefined"
self.warning(warning)
def liftCurve_from_results(results, clf_index, target):
x, y, thresholds = lift_curve_from_results(results, target, clf_index)
points = CurvePoints(x, y, thresholds)
hull = CurvePoints(*convex_hull([(x, y, thresholds)]))
return LiftCurve(points, hull)
def points_from_results(results, target, clf_index):
x, y, thresholds = cumulative_gains_from_results(results, target, clf_index)
points = CurveData(x, y, thresholds)
hull = CurveData(*convex_hull([(x, y, thresholds)]))
return PointsAndHull(points, hull)
def LiftCurve_from_results(results, clf_index, target):
x, y, thresholds = lift_curve_from_results(results, target, clf_index)
points = CurvePoints(x, y, thresholds)
hull = CurvePoints(*convex_hull([(x, y, thresholds)]))
return LiftCurve(points, hull)
