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Polynomial regression: Difference between revisions

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Polynomial regression (view source)

Revision as of 02:19, 15 May 2021

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→‎{{header|Phix}}: fixed a couple of syntax glitches, added personal tag
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Line 1,635:
=={{header|Phix}}==
{{trans|REXX}}
<!--<lang Phix>(phixonline)-->
<span style="color: #008080;">constant</span> <span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">,</span><span style="color: #000000;">5</span><span style="color: #0000FF;">,</span><span style="color: #000000;">6</span><span style="color: #0000FF;">,</span><span style="color: #000000;">7</span><span style="color: #0000FF;">,</span><span style="color: #000000;">8</span><span style="color: #0000FF;">,</span><span style="color: #000000;">9</span><span style="color: #0000FF;">,</span><span style="color: #000000;">10</span><span style="color: #0000FF;">},</span>
<span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">6</span><span style="color: #0000FF;">,</span><span style="color: #000000;">17</span><span style="color: #0000FF;">,</span><span style="color: #000000;">34</span><span style="color: #0000FF;">,</span><span style="color: #000000;">57</span><span style="color: #0000FF;">,</span><span style="color: #000000;">86</span><span style="color: #0000FF;">,</span><span style="color: #000000;">121</span><span style="color: #0000FF;">,</span><span style="color: #000000;">162</span><span style="color: #0000FF;">,</span><span style="color: #000000;">209</span><span style="color: #0000FF;">,</span><span style="color: #000000;">262</span><span style="color: #0000FF;">,</span><span style="color: #000000;">321</span><span style="color: #0000FF;">},</span>
Line 1,641:
<span style="color: #008080;">function</span> <span style="color: #000000;">regression</span><span style="color: #0000FF;">()</span>
<span style="color: #004080;">atom</span> <span style="color: #0000007060A8;">xm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #0000007060A8;">ym</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x2m</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x3m</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x4m</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xym</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">x2ym</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">n</span> <span style="color: #008080;">do</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">xi</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span>
<span style="color: #000000;">yi</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span>
<span style="color: #0000007060A8;">xm</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">xi</span>
<span style="color: #0000007060A8;">ym</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">yi</span>
<span style="color: #000000;">x2m</span> <span style="color: #0000FF;">+=</span> <span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">x3m</span> <span style="color: #0000FF;">+=</span> <span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)</span>
Line 1,653:
<span style="color: #000000;">x2ym</span> <span style="color: #0000FF;">+=</span> <span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">yi</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
<span style="color: #0000007060A8;">xm</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
<span style="color: #0000007060A8;">ym</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
<span style="color: #000000;">x2m</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
<span style="color: #000000;">x3m</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
Line 1,660:
<span style="color: #000000;">xym</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
<span style="color: #000000;">x2ym</span> <span style="color: #0000FF;">/=</span> <span style="color: #000000;">n</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">Sxx</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x2m</span><span style="color: #0000FF;">-</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #0000007060A8;">xm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">Sxy</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xym</span><span style="color: #0000FF;">-</span><span style="color: #0000007060A8;">xm</span><span style="color: #0000FF;">*</span><span style="color: #0000007060A8;">ym</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">Sxx2</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x3m</span><span style="color: #0000FF;">-</span><span style="color: #0000007060A8;">xm</span><span style="color: #0000FF;">*</span><span style="color: #000000;">x2m</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">Sx2x2</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x4m</span><span style="color: #0000FF;">-</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">x2m</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">Sx2y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x2ym</span><span style="color: #0000FF;">-</span><span style="color: #000000;">x2m</span><span style="color: #0000FF;">*</span><span style="color: #0000007060A8;">ym</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">B</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">Sxy</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sx2x2</span><span style="color: #0000FF;">-</span><span style="color: #000000;">Sx2y</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sxx2</span><span style="color: #0000FF;">)/(</span><span style="color: #000000;">Sxx</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sx2x2</span><span style="color: #0000FF;">-</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">Sxx2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)),</span>
<span style="color: #000000;">C</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">Sx2y</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sxx</span><span style="color: #0000FF;">-</span><span style="color: #000000;">Sxy</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sxx2</span><span style="color: #0000FF;">)/(</span><span style="color: #000000;">Sxx</span><span style="color: #0000FF;">*</span><span style="color: #000000;">Sx2x2</span><span style="color: #0000FF;">-</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">Sxx2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)),</span>
<span style="color: #000000;">A</span> <span style="color: #0000FF;">=</span> <span style="color: #0000007060A8;">ym</span><span style="color: #0000FF;">-</span><span style="color: #000000;">B</span><span style="color: #0000FF;">*</span><span style="color: #0000007060A8;">xm</span><span style="color: #0000FF;">-</span><span style="color: #000000;">C</span><span style="color: #0000FF;">*</span><span style="color: #000000;">x2m</span>
<span style="color: #008080;">return</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">C</span><span style="color: #0000FF;">,</span><span style="color: #000000;">B</span><span style="color: #0000FF;">,</span><span style="color: #000000;">A</span><span style="color: #0000FF;">}</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
Petelomax
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