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
def contrasts(branches, better):
result = ""
for i, branch1 in enumerate(branches):
out = []
for j, branch2 in enumerate(branches):
if i != j:
num1 = branch1['branch'][-1]['_stats']
num2 = branch2['branch'][-1]['_stats']
if better(num2.mu, num1.mu):
if not NUM.same(num1, num2):
inc = delta(branch2['has'], branch1['has'])
if len(inc) > 0:
temp_out = {
'i': i,
'j': j,
'ninc': len(inc),
'muinc': num2.mu - num1.mu,
'inc': inc,
'branch1': branch1['has'],
'mu1': num1.mu,
'branch2': branch2['has'],
'mu2': num2.mu
}
out.append(temp_out)
if len(out) > 0:
tmp_result = "\n"
sorted(out, key=lambda x: x['muinc'])
tmp_result += "%s max mu %s \n" % (i, out[0])
sorted(out, key=lambda x: x['ninc'])
tmp_result += "%s min inc %s \n" % (i, out[0])
#else:
# tmp_result = "Empty out at i_%s \n" % i
print(tmp_result)
result += tmp_result
return out, result
def whatif(head, y):
col = {"pos": head.pos, "what": head.txt, "nums": {}, "n": 0}
for r in t.rows:
x = r.cells[col["pos"]]
if x != '?':
col["n"] += 1
if x not in col["nums"].keys():
col["nums"][x] = NUM()
col["nums"][x].update(y(r))
return {"key": xpect(col), "val": col}
def read_header(self, h_line):
entries = self.remove_mis(h_line).split(",")
for entry in entries:
entry = entry.strip()
if entry:
self.header.header.append(entry)
self.header.noc = len(self.header.header)
for i in range(self.header.noc):
cate = self.header.header[i][0]
if cate == "?":
self.header.ignore_cols.append(i)
self.container.append(None)
elif cate == "$" or cate == "<" or cate == ">":
self.header.nums[str(i)] = NUM()
self.container.append(NUM())
if cate == "<" or cate == ">":
if cate == ">":
self.header.goals.append((i, 1))
else:
self.header.goals.append((i, -1))
else:
self.header.syms[str(i)] = SYM()
self.container.append(SYM())
def test():
t, n = [], NUM()
R = RANDOM()
split = [0.2, 0.5]
for i in range(1, 51):
w = R.r()
n.update(klass(w))
t.append((w, klass(w)))
print("\nWe have many unsupervised ranges.")
for j, one in enumerate(RANGE.unsup_discret(t, x, 0, split)):
print("x", j, one)
print("\nWe have fewer supervised ranges.")
for j, one in enumerate(SUPER_R.sup_discretize(t, x, y, True, True, split)):
print("super", j, one)