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(v1.4.0.9033) documentation update
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<span class="navbar-brand">
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<a class="navbar-link" href="../index.html">AMR (for R)</a>
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<span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Latest development version">1.4.0.9008</span>
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<span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Latest development version">1.4.0.9032</span>
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</header><script src="SPSS_files/accessible-code-block-0.0.1/empty-anchor.js"></script><link href="SPSS_files/anchor-sections-1.0/anchor-sections.css" rel="stylesheet">
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<script src="SPSS_files/anchor-sections-1.0/anchor-sections.js"></script><div class="row">
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</header><script src="SPSS_files/header-attrs-2.4/header-attrs.js"></script><script src="SPSS_files/accessible-code-block-0.0.1/empty-anchor.js"></script><div class="row">
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<div class="col-md-9 contents">
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<div class="page-header toc-ignore">
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<h1 data-toc-skip>How to import data from SPSS / SAS / Stata</h1>
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<h4 class="author">Matthijs S. Berends</h4>
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<h4 class="date">26 October 2020</h4>
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<h4 class="date">08 December 2020</h4>
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<small class="dont-index">Source: <a href="https://github.com/msberends/AMR/blob/master/vignettes/SPSS.Rmd"><code>vignettes/SPSS.Rmd</code></a></small>
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<div class="hidden name"><code>SPSS.Rmd</code></div>
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<p>If additional packages are needed, RStudio will ask you if they should be installed on beforehand.</p>
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<p>In the the window that opens, you can define all options (parameters) that should be used for import and you’re ready to go:</p>
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<p><img src="https://github.com/msberends/AMR/raw/master/docs/import2.png"></p>
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<p>If you want named variables to be imported as factors so it resembles SPSS more, use <code>as_factor()</code>.</p>
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<p>If you want named variables to be imported as factors so it resembles SPSS more, use <code><a href="https://haven.tidyverse.org/reference/as_factor.html">as_factor()</a></code>.</p>
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<p>The difference is this:</p>
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<div class="sourceCode" id="cb2"><pre class="downlit">
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<span class="va">SPSS_data</span>
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<span class="co"># download and install the latest version:</span>
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<span class="fu"><a href="https://rdrr.io/r/utils/install.packages.html">install.packages</a></span><span class="op">(</span><span class="st">"haven"</span><span class="op">)</span>
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<span class="co"># load the package you just installed:</span>
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<span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="va">haven</span><span class="op">)</span> </pre></div>
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<span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="va"><a href="http://haven.tidyverse.org">haven</a></span><span class="op">)</span> </pre></div>
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<p>You can now import files as follows:</p>
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<div id="spss" class="section level4">
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<h4 class="hasAnchor">
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<p>To read files from SPSS into R:</p>
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<div class="sourceCode" id="cb4"><pre class="downlit">
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<span class="co"># read any SPSS file based on file extension (best way):</span>
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<span class="fu">read_spss</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_spss.html">read_spss</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="co"># read .sav or .zsav file:</span>
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<span class="fu">read_sav</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_spss.html">read_sav</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="co"># read .por file:</span>
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<span class="fu">read_por</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span></pre></div>
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<p>Do not forget about <code>as_factor()</code>, as mentioned above.</p>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_spss.html">read_por</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span></pre></div>
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<p>Do not forget about <code><a href="https://haven.tidyverse.org/reference/as_factor.html">as_factor()</a></code>, as mentioned above.</p>
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<p>To export your R objects to the SPSS file format:</p>
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<div class="sourceCode" id="cb5"><pre class="downlit">
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<span class="co"># save as .sav file:</span>
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<span class="fu">write_sav</span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_spss.html">write_sav</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="co"># save as compressed .zsav file:</span>
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<span class="fu">write_sav</span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span>, compress <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></pre></div>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_spss.html">write_sav</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span>, compress <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></pre></div>
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</div>
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<div id="sas" class="section level4">
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<h4 class="hasAnchor">
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@ -367,18 +366,18 @@
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<p>To read files from SAS into R:</p>
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<div class="sourceCode" id="cb6"><pre class="downlit">
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<span class="co"># read .sas7bdat + .sas7bcat files:</span>
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<span class="fu">read_sas</span><span class="op">(</span>data_file <span class="op">=</span> <span class="st">"path/to/file"</span>, catalog_file <span class="op">=</span> <span class="cn">NULL</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_sas.html">read_sas</a></span><span class="op">(</span>data_file <span class="op">=</span> <span class="st">"path/to/file"</span>, catalog_file <span class="op">=</span> <span class="cn">NULL</span><span class="op">)</span>
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<span class="co"># read SAS transport files (version 5 and version 8):</span>
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<span class="fu">read_xpt</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span></pre></div>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_xpt.html">read_xpt</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span></pre></div>
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<p>To export your R objects to the SAS file format:</p>
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<div class="sourceCode" id="cb7"><pre class="downlit">
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<span class="co"># save as regular SAS file:</span>
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<span class="fu">write_sas</span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_sas.html">write_sas</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span><span class="op">)</span>
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<span class="co"># the SAS transport format is an open format </span>
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<span class="co"># (required for submission of the data to the FDA)</span>
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<span class="fu">write_xpt</span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span>, version <span class="op">=</span> <span class="fl">8</span><span class="op">)</span></pre></div>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_xpt.html">write_xpt</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"path/to/file"</span>, version <span class="op">=</span> <span class="fl">8</span><span class="op">)</span></pre></div>
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</div>
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<div id="stata" class="section level4">
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<h4 class="hasAnchor">
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<p>To read files from Stata into R:</p>
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<div class="sourceCode" id="cb8"><pre class="downlit">
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<span class="co"># read .dta file:</span>
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<span class="fu">read_stata</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"/path/to/file"</span><span class="op">)</span>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_dta.html">read_stata</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"/path/to/file"</span><span class="op">)</span>
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<span class="co"># works exactly the same:</span>
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<span class="fu">read_dta</span><span class="op">(</span>file <span class="op">=</span> <span class="st">"/path/to/file"</span><span class="op">)</span></pre></div>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_dta.html">read_dta</a></span><span class="op">(</span>file <span class="op">=</span> <span class="st">"/path/to/file"</span><span class="op">)</span></pre></div>
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<p>To export your R objects to the Stata file format:</p>
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<div class="sourceCode" id="cb9"><pre class="downlit">
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<span class="co"># save as .dta file, Stata version 14:</span>
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<span class="co"># (supports Stata v8 until v15 at the time of writing)</span>
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<span class="fu">write_dta</span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"/path/to/file"</span>, version <span class="op">=</span> <span class="fl">14</span><span class="op">)</span></pre></div>
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<span class="fu"><a href="https://haven.tidyverse.org/reference/read_dta.html">write_dta</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">yourdata</span>, path <span class="op">=</span> <span class="st">"/path/to/file"</span>, version <span class="op">=</span> <span class="fl">14</span><span class="op">)</span></pre></div>
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</div>
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</div>
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</div>
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