def _compute_window_size(self):
self._neighbors_on_each_side = int(len(self.x) * self._span) // <NUM_LIT:2><EOL>self.window_size = self._neighbors_on_each_side * <NUM_LIT:2> + <NUM_LIT:1><EOL>if self.window_size <= <NUM_LIT:1>:<EOL><INDENT>self.window_size = <NUM_LIT:2><EOL><DEDENT>
Determine characteristics of symmetric neighborhood with J/2 values on each side.