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tdf#96868 Help page for data statistics regression

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Change-Id: I7c0e236c1d19572b682d5b6c120ce604f6e39de8
Reviewed-on: https://gerrit.libreoffice.org/22144
Reviewed-by: Olivier Hallot <ohallot@collabora.co.uk>
Tested-by: Olivier Hallot <ohallot@collabora.co.uk>
This commit is contained in:
Olivier Hallot
2016-01-21 18:49:23 -02:00
parent 4b1bb98261
commit df2eefa2ce
4 changed files with 1002 additions and 523 deletions
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AllLangHelp_scalc.mk
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@ -229,6 +229,7 @@ $(eval $(call gb_AllLangHelp_add_helpfiles,scalc,\
helpcontent2/source/text/scalc/01/solver \
helpcontent2/source/text/scalc/01/solver_options \
helpcontent2/source/text/scalc/01/statistics \
helpcontent2/source/text/scalc/01/statistics_regression \
helpcontent2/source/text/scalc/01/stat_data \
helpcontent2/source/text/scalc/01/ODFF \
helpcontent2/source/text/scalc/01/text2columns \

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source/text/scalc/01/stat_data.xhp
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source/text/scalc/01/statistics.xhp
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@ -1699,5 +1699,8 @@
</tablerow>
</table>
</section>
<section id="relatedtopics">
<link href="text/scalc/01/statistics_regression.xhp#regressionanalysis">Regression Analysis</link>
</section>
</body>
</helpdocument>

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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
<!--
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
-->
<meta>
<topic id="ID" indexer="Indexer" status="PUBLISH">
<title id="tit" xml-lang="en-US">Regression Analysis</title>
<filename>/text/scalc/01/statistics_regression.xhp</filename>
</topic>
</meta>
<body>
<paragraph id="hd_id1701201615033510" role="heading" level="2" xml-lang="en-US">Regression Analysis</paragraph>
<paragraph id="par_id1001240" role="paragraph" xml-lang="en-US"><ahelp hid="modules/scalc/ui/regressiondialog/RegressionDialog">Produces the regression analysis of a data set</ahelp></paragraph>
<section id="regressionanalysis">
<bookmark xml-lang="en-US" branch="index" id="bm_id2764278">
<bookmark_value>Analysis toolpack;regression analysis</bookmark_value>
<bookmark_value>regression analysis;Analysis toolpack</bookmark_value>
<bookmark_value>Data statistics;regression analysis</bookmark_value>
</bookmark>
<bookmark xml-lang="en-US" branch="hid/modules/scalc/ui/regressiondialog/RegressionDialog" id="bm_id2745673" localize="false"/>
<section id="howtoget">
<paragraph id="par_id1000040" role="paragraph" xml-lang="en-US"><variable id="sam01">Menu <emph>Data - Statistics - Regression...</emph></variable></paragraph>
</section>
<paragraph id="par_id1001270" role="note" xml-lang="en-US">For more information, please visit the Wikipedia: <link href="http://en.wikipedia.org/wiki/Regression_analysis">http://en.wikipedia.org/wiki/Regression_analysis</link></paragraph>
<embed href="text/scalc/01/stat_data.xhp#data"/>
<embed href="text/scalc/01/stat_data.xhp#grouped"/>
<paragraph id="hd_id1000070" role="heading" level="3" xml-lang="en-US">Output Regression Type</paragraph>
<paragraph id="par_id1001280" role="paragraph" xml-lang="en-US">Set the regression type. Three types are available: </paragraph>
<list type="unordered">
<listitem>
<paragraph id="par_id1701201620334364" role="ul_item" xml-lang="en-US"><emph>Linear Regression</emph>: find a strait line in the form of <item type="literal">y = a.x + b</item>, where <item type="literal">a</item> is the slope and <item type="literal">b</item> is the intercept that best fits the data.</paragraph>
</listitem>
<listitem>
<paragraph id="par_id1701201620340168" role="ul_item" xml-lang="en-US"><emph>Logarithmic regression</emph>: find a logarithmic curve in the form of <item type="literal">y = a.ln(x) + b</item>, where <item type="literal">a</item> is the slope, <item type="literal">b</item> is the intercept and <item type="literal">ln(x)</item> is the natural logarithm of <item type="literal">x</item>, that best fits the data.</paragraph>
</listitem>
<listitem>
<paragraph id="par_id1701201620340139" role="ul_item" xml-lang="en-US"><emph>Power regression</emph>: Find a power curve in the form of <item type="literal">y = a.x^b</item>, where <item type="literal">a</item> is the slope, <item type="literal">b</item> is the intercept that best fits the data.</paragraph>
</listitem></list>
<embed href="text/scalc/01/stat_data.xhp#regressiondata"/>
<paragraph id="par_id1001310" role="paragraph" xml-lang="en-US">The results of the three types of <emph>regression analysis</emph> of the measurements in the table above are shown below.</paragraph>
<table id="Tabela1">
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090526" role="tablehead" xml-lang="en-US">Regression</paragraph>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090542" role="paragraph" xml-lang="en-US">Regression Model</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1701201618090596" role="paragraph" xml-lang="en-US">Linear</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1701201618090586" role="paragraph" xml-lang="en-US">Logarithmic</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1701201618090555" role="paragraph" xml-lang="en-US">Power</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090553" role="paragraph" xml-lang="en-US">R^2</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114385" role="paragraph" localize="false" xml-lang="en-US">0.1243901235</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114339" role="paragraph" localize="false" xml-lang="en-US">0.036283506</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114321" role="paragraph" localize="false" xml-lang="en-US">0.0884254697</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090595" role="paragraph" xml-lang="en-US">Standard Error</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114322" role="paragraph" localize="false" xml-lang="en-US">1.8692568609</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114330" role="paragraph" localize="false" xml-lang="en-US">1.9610483597</paragraph>
</tablecell>
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<paragraph id="par_id1901201615114373" role="paragraph" localize="false" xml-lang="en-US">0.7746321053</paragraph>
</tablecell>
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<tablecell>
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<tablecell>
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<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090563" role="paragraph" xml-lang="en-US">Slope</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id19012061511466" role="paragraph" localize="false" xml-lang="en-US">-0.2193939394</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114648" role="paragraph" localize="false" xml-lang="en-US">-0.4894112008</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114619" role="paragraph" localize="false" xml-lang="en-US">4.812672931</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1701201618090642" role="paragraph" xml-lang="en-US">Intercept</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1901201615114679" role="paragraph" localize="false" xml-lang="en-US">4.8666666667</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id190120165114664" role="paragraph" localize="false" xml-lang="en-US">4.3992268695</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id190101615114697" role="paragraph" localize="false" xml-lang="en-US">-0.3103085297</paragraph>
</tablecell>
</tablerow>
<tablerow>
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<tablecell>
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<tablecell>
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<tablecell>
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<paragraph id="par_id190120161511461" role="paragraph" localize="false" xml-lang="en-US">1</paragraph>
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<tablecell>
<paragraph id="par_id1901201615114631" role="paragraph" localize="false" xml-lang="en-US">4.6472727273</paragraph>
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<tablecell>
<paragraph id="par_id1901201615114663" role="paragraph" localize="false" xml-lang="en-US">4.3992268695</paragraph>
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<tablecell>
<paragraph id="par_id19012016151142" role="paragraph" localize="false" xml-lang="en-US">4.812672931</paragraph>
</tablecell>
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<paragraph id="par_id1901201615114687" role="paragraph" localize="false" xml-lang="en-US">2</paragraph>
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<tablecell>
<paragraph id="par_id1901201615114677" role="paragraph" localize="false" xml-lang="en-US">4.4278787879</paragraph>
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<paragraph id="par_id1901201615114693" role="paragraph" localize="false" xml-lang="en-US">4.0599928755</paragraph>
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<paragraph id="par_id1901201615114630" role="paragraph" localize="false" xml-lang="en-US">3.8812728356</paragraph>
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<paragraph id="par_id1901201615114697" role="paragraph" localize="false" xml-lang="en-US">3</paragraph>
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<paragraph id="par_id1901201615114659" role="paragraph" localize="false" xml-lang="en-US">4.2084848485</paragraph>
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<tablecell>
<paragraph id="par_id1901201615114671" role="paragraph" localize="false" xml-lang="en-US">3.8615537101</paragraph>
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<paragraph id="par_id1901201615114664" role="paragraph" localize="false" xml-lang="en-US">3.4224061924</paragraph>
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<paragraph id="par_id190120161511462" role="paragraph" localize="false" xml-lang="en-US">3.9890909091</paragraph>
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<paragraph id="par_id19012016151147" role="paragraph" localize="false" xml-lang="en-US">3.3815248876</paragraph>
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</table>
<section id="relatedtopics">
<paragraph id="par_id14337286612130" role="paragraph" xml-lang="en-US"> <link href="text/scalc/01/statistics.xhp#datasampling">Sampling</link>, <link href="text/scalc/01/statistics.xhp#descriptivestatistics">Descriptive Statistics</link>, <link href="text/scalc/01/statistics.xhp#anova">Analysis of Variance (ANOVA)</link>, <link href="text/scalc/01/statistics.xhp#correlation">Correlation</link>, <link href="text/scalc/01/statistics.xhp#covariance">Covariance</link>, <link href="text/scalc/01/statistics.xhp#exponentialsmoothing">Exponential Smoothing</link>, <link href="text/scalc/01/statistics.xhp#movingaverage">Moving Average</link>, <link href="text/scalc/01/statistics.xhp#ttest">t-test</link>, <link href="text/scalc/01/statistics.xhp#ftest">F-test</link>, <link href="text/scalc/01/statistics.xhp#ztest">Z-test</link>, <link href="text/scalc/01/statistics.xhp#chisqtest">Chi-square test</link>.</paragraph>
</section>
</section>
</body>
</helpdocument>