def __init__(self, t, yfun, pos, attr, val):
num = NUM()
self._t = t
self._kids = []
self.yfun = yfun
self.pos = pos
self.attr = attr
self.val = val
self.stats = num.updates(t.rows, yfun)
def range_manager(t, x, cohen, m):
DATA = NUM()
control_r = dict()
control_r['x'] = x
control_r['cohen'] = cohen
control_r['m'] = m
control_r['size'] = len(t)
control_r['ranges'] = []
control_r = nextRange(control_r)
control_r['num'] = DATA.updates(t, control_r['x'])
control_r['hi'] = control_r['num'].hi
control_r['enough'] = control_r['size']**control_r['m']
control_r['epsilon'] = control_r['num'].sd * control_r['cohen']
return control_r