$ ./calcpw.php --modulobias "password" "information" "0-9 A-Z a-z" | ./modulobias.php
INFO: threshold bias towards = 0.016629032258065
INFO: unbiased distribution  = 0.016129032258065
INFO: threshold bias against = 0.015629032258065

J = 0.016460418701172
1 = 0.01643180847168
4 = 0.016314506530762
0 = 0.016312599182129
O = 0.016303062438965
d = 0.01628303527832
b = 0.016278266906738
V = 0.016273498535156
H = 0.016265869140625
e = 0.016263008117676
Z = 0.016262054443359
9 = 0.0162353515625
3 = 0.016231536865234
m = 0.016227722167969
g = 0.016221046447754
L = 0.016220092773438
X = 0.016209602355957
C = 0.016207695007324
8 = 0.01619815826416
2 = 0.016195297241211
n = 0.016195297241211
f = 0.016188621520996
6 = 0.016172409057617
y = 0.016171455383301
r = 0.016166687011719
k = 0.016152381896973
i = 0.016138076782227
l = 0.016133308410645
E = 0.016132354736328
Q = 0.016130447387695
u = 0.016127586364746
5 = 0.016127586364746
j = 0.016119003295898
P = 0.016116142272949
a = 0.01611328125
x = 0.016111373901367
D = 0.01609992980957
A = 0.016094207763672
s = 0.016092300415039
M = 0.016088485717773
S = 0.016079902648926
F = 0.016068458557129
I = 0.01606273651123
t = 0.016057014465332
w = 0.016057014465332
v = 0.016054153442383
o = 0.016054153442383
z = 0.016050338745117
q = 0.016037940979004
R = 0.016033172607422
G = 0.016031265258789
N = 0.016010284423828
T = 0.01600170135498
Y = 0.015997886657715
7 = 0.015996932983398
B = 0.015970230102539
W = 0.015941619873047
U = 0.015927314758301
p = 0.015911102294922
h = 0.015886306762695
K = 0.015857696533203
c = 0.015847206115723

INFO: the provided character distribution is unbiased