Deming's funnel: Difference between revisions
Content added Content deleted
(→{{header|Java}}: added Java) |
(Added Elixir) |
||
Line 115: | Line 115: | ||
Mean x, y: 3.1341, 5.4210 |
Mean x, y: 3.1341, 5.4210 |
||
Std dev x, y: 1.5874, 3.9304</pre> |
Std dev x, y: 1.5874, 3.9304</pre> |
||
=={{header|Elixir}}== |
|||
{{trans|Ruby}} |
|||
<lang elixir>defmodule Deming do |
|||
def funnel(dxs, rule) do |
|||
{_, rxs} = Enum.reduce(dxs, {0, []}, fn dx,{x,rxs} -> |
|||
{rule.(x, dx), [x + dx | rxs]} |
|||
end) |
|||
rxs |
|||
end |
|||
def mean(xs), do: Enum.sum(xs) / length(xs) |
|||
def stddev(xs) do |
|||
m = mean(xs) |
|||
Enum.reduce(xs, 0.0, fn x,sum -> sum + (x-m)*(x-m) / length(xs) end) |
|||
|> :math.sqrt |
|||
end |
|||
def experiment(label, dxs, dys, rule) do |
|||
{rxs, rys} = {funnel(dxs, rule), funnel(dys, rule)} |
|||
IO.puts label |
|||
:io.format "Mean x, y : ~7.4f, ~7.4f~n", [mean(rxs), mean(rys)] |
|||
:io.format "Std dev x, y : ~7.4f, ~7.4f~n~n", [stddev(rxs), stddev(rys)] |
|||
end |
|||
end |
|||
dxs = [ -0.533, 0.270, 0.859, -0.043, -0.205, -0.127, -0.071, 0.275, |
|||
1.251, -0.231, -0.401, 0.269, 0.491, 0.951, 1.150, 0.001, |
|||
-0.382, 0.161, 0.915, 2.080, -2.337, 0.034, -0.126, 0.014, |
|||
0.709, 0.129, -1.093, -0.483, -1.193, 0.020, -0.051, 0.047, |
|||
-0.095, 0.695, 0.340, -0.182, 0.287, 0.213, -0.423, -0.021, |
|||
-0.134, 1.798, 0.021, -1.099, -0.361, 1.636, -1.134, 1.315, |
|||
0.201, 0.034, 0.097, -0.170, 0.054, -0.553, -0.024, -0.181, |
|||
-0.700, -0.361, -0.789, 0.279, -0.174, -0.009, -0.323, -0.658, |
|||
0.348, -0.528, 0.881, 0.021, -0.853, 0.157, 0.648, 1.774, |
|||
-1.043, 0.051, 0.021, 0.247, -0.310, 0.171, 0.000, 0.106, |
|||
0.024, -0.386, 0.962, 0.765, -0.125, -0.289, 0.521, 0.017, |
|||
0.281, -0.749, -0.149, -2.436, -0.909, 0.394, -0.113, -0.598, |
|||
0.443, -0.521, -0.799, 0.087] |
|||
dys = [ 0.136, 0.717, 0.459, -0.225, 1.392, 0.385, 0.121, -0.395, |
|||
0.490, -0.682, -0.065, 0.242, -0.288, 0.658, 0.459, 0.000, |
|||
0.426, 0.205, -0.765, -2.188, -0.742, -0.010, 0.089, 0.208, |
|||
0.585, 0.633, -0.444, -0.351, -1.087, 0.199, 0.701, 0.096, |
|||
-0.025, -0.868, 1.051, 0.157, 0.216, 0.162, 0.249, -0.007, |
|||
0.009, 0.508, -0.790, 0.723, 0.881, -0.508, 0.393, -0.226, |
|||
0.710, 0.038, -0.217, 0.831, 0.480, 0.407, 0.447, -0.295, |
|||
1.126, 0.380, 0.549, -0.445, -0.046, 0.428, -0.074, 0.217, |
|||
-0.822, 0.491, 1.347, -0.141, 1.230, -0.044, 0.079, 0.219, |
|||
0.698, 0.275, 0.056, 0.031, 0.421, 0.064, 0.721, 0.104, |
|||
-0.729, 0.650, -1.103, 0.154, -1.720, 0.051, -0.385, 0.477, |
|||
1.537, -0.901, 0.939, -0.411, 0.341, -0.411, 0.106, 0.224, |
|||
-0.947, -1.424, -0.542, -1.032] |
|||
Deming.experiment("Rule 1:", dxs, dys, fn _z, _dz -> 0 end) |
|||
Deming.experiment("Rule 2:", dxs, dys, fn _z, dz -> -dz end) |
|||
Deming.experiment("Rule 3:", dxs, dys, fn z, dz -> -(z+dz) end) |
|||
Deming.experiment("Rule 4:", dxs, dys, fn z, dz -> z+dz end)</lang> |
|||
{{out}} |
|||
<pre> |
|||
Rule 1: |
|||
Mean x, y : 0.0004, 0.0702 |
|||
Std dev x, y : 0.7153, 0.6462 |
|||
Rule 2: |
|||
Mean x, y : 0.0009, -0.0103 |
|||
Std dev x, y : 1.0371, 0.8999 |
|||
Rule 3: |
|||
Mean x, y : 0.0439, -0.0063 |
|||
Std dev x, y : 7.9871, 4.7784 |
|||
Rule 4: |
|||
Mean x, y : 3.1341, 5.4210 |
|||
Std dev x, y : 1.5874, 3.9304 |
|||
</pre> |
|||
=={{header|Haskell}}== |
=={{header|Haskell}}== |