Averages/Simple moving average: Difference between revisions
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(Changed to use "deques" instead of "queues" as the latter is no longer supported. Changed output format to that of version 1.4.) |
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=={{header|Nim}}== |
=={{header|Nim}}== |
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<lang nim>import |
<lang nim>import deques |
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proc simplemovingaverage(period: int): auto = |
proc simplemovingaverage(period: int): auto = |
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var |
var |
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summ, n = 0.0 |
summ, n = 0.0 |
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values |
values: Deque[float] |
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for i in 1..period: |
for i in 1..period: |
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values. |
values.addLast(0) |
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proc sma(x: float): float = |
proc sma(x: float): float = |
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values. |
values.addLast(x) |
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summ += x - values. |
summ += x - values.popFirst() |
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n = min(n+1, float(period)) |
n = min(n+1, float(period)) |
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result = summ / n |
result = summ / n |
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for i in countdown(5,1): echo sma2(float(i))</lang> |
for i in countdown(5,1): echo sma2(float(i))</lang> |
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{{out}} |
{{out}} |
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<pre>1. |
<pre>1.0 |
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1.5 |
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1.5000000000000000e+00 |
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2.0 |
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2.0000000000000000e+00 |
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3.0 |
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3.0000000000000000e+00 |
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4.0 |
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4.0000000000000000e+00 |
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4.666666666666667 |
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4.6666666666666670e+00 |
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4.666666666666667 |
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4.6666666666666670e+00 |
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4.0 |
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4.0000000000000000e+00 |
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3.0 |
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3.0000000000000000e+00 |
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2.0 |
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2.0000000000000000e+00 |
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1.0 |
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1.0000000000000000e+00 |
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1.5 |
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1.5000000000000000e+00 |
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2.0 |
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2.0000000000000000e+00 |
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2.5 |
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2.5000000000000000e+00 |
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3.0 |
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3.0000000000000000e+00 |
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3.8 |
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3.7999999999999998e+00 |
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4.2 |
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4.2000000000000002e+00 |
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4.2 |
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4.2000000000000002e+00 |
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3.8 |
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3.7999999999999998e+00 |
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3. |
3.0</pre> |
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=={{header|Objeck}}== |
=={{header|Objeck}}== |
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