def recompute_binnings(self):
if self.is_valid and self.var.is_continuous:
# binning is computed on valid var data, ignoring any cvar nans
column = self.data.get_column_view(self.var)[0].astype(float)
if np.any(np.isfinite(column)):
if self.var.is_time:
self.binnings = time_binnings(column, min_unique=5)
else:
self.binnings = decimal_binnings(
column,
min_width=self.min_var_resolution(self.var),
add_unique=10,
min_unique=5)
fm = QFontMetrics(self.font())
width = max(
fm.size(Qt.TextSingleLine,
self._short_text(binning.width_label)).width()
for binning in self.binnings)
self.bin_width_label.setFixedWidth(width)
max_bins = len(self.binnings) - 1
else:
self.binnings = []
max_bins = 0
self.controls.number_of_bins.setMaximum(max_bins)
self.number_of_bins = min(
max_bins, self._user_var_bins.get(self.var, self.number_of_bins))
self._set_bin_width_slider_label()
