diff --git a/docs/articles/siteonly/eda.html b/docs/articles/siteonly/eda.html
index 4b20c07..090504b 100644
--- a/docs/articles/siteonly/eda.html
+++ b/docs/articles/siteonly/eda.html
@@ -607,13 +607,13 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb37-8" data-line-number="8">p &lt;-<span class="st"> </span><span class="kw">ggplot</span>(small_dataset, <span class="kw">aes</span>(sp, dbh))</a>
 <a class="sourceLine" id="cb37-9" data-line-number="9"></a>
 <a class="sourceLine" id="cb37-10" data-line-number="10">p <span class="op">+</span><span class="st"> </span><span class="kw">geom_point</span>()</a>
-<a class="sourceLine" id="cb37-11" data-line-number="11"><span class="co">#&gt; Warning: Removed 86 rows containing missing values (geom_point).</span></a></code></pre></div>
+<a class="sourceLine" id="cb37-11" data-line-number="11"><span class="co">#&gt; Warning: Removed 82 rows containing missing values (geom_point).</span></a></code></pre></div>
 <p><img src="eda_files/figure-html/unnamed-chunk-34-1.png" width="70%" style="display: block; margin: auto;"></p>
 <div class="sourceCode" id="cb38"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb38-1" data-line-number="1">p <span class="op">+</span><span class="st"> </span><span class="kw">geom_jitter</span>()</a>
-<a class="sourceLine" id="cb38-2" data-line-number="2"><span class="co">#&gt; Warning: Removed 86 rows containing missing values (geom_point).</span></a></code></pre></div>
+<a class="sourceLine" id="cb38-2" data-line-number="2"><span class="co">#&gt; Warning: Removed 82 rows containing missing values (geom_point).</span></a></code></pre></div>
 <p><img src="eda_files/figure-html/unnamed-chunk-35-1.png" width="70%" style="display: block; margin: auto;"></p>
 <div class="sourceCode" id="cb39"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb39-1" data-line-number="1">p <span class="op">+</span><span class="st"> </span>ggbeeswarm<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/ggbeeswarm/topics/geom_quasirandom">geom_quasirandom</a></span>()</a>
-<a class="sourceLine" id="cb39-2" data-line-number="2"><span class="co">#&gt; Warning: Removed 86 rows containing missing values (position_quasirandom).</span></a></code></pre></div>
+<a class="sourceLine" id="cb39-2" data-line-number="2"><span class="co">#&gt; Warning: Removed 82 rows containing missing values (position_quasirandom).</span></a></code></pre></div>
 <p><img src="eda_files/figure-html/unnamed-chunk-36-1.png" width="70%" style="display: block; margin: auto;"></p>
 </div>
 </div>
diff --git a/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-34-1.png b/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-34-1.png
index 4d8c50b..c960b31 100644
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index 7d2671b..cd239f5 100644
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diff --git a/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-41-1.png b/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-41-1.png
index 62957bc..795ae64 100644
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diff --git a/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-42-1.png b/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-42-1.png
index ba2b53d..545761d 100644
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diff --git a/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-46-1.png b/docs/articles/siteonly/eda_files/figure-html/unnamed-chunk-46-1.png
index 1b5b674..1ffd83c 100644
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diff --git a/docs/articles/siteonly/reference.html b/docs/articles/siteonly/reference.html
index ec7bd31..fea7833 100644
--- a/docs/articles/siteonly/reference.html
+++ b/docs/articles/siteonly/reference.html
@@ -134,8 +134,8 @@ <h1>Reference</h1>
 <div id="global-search" class="section level3">
 <h3 class="hasAnchor">
 <a href="#global-search" class="anchor"></a>Global search</h3>
-<div id="htmlwidget-d59da3f61f7ad73e48f7" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-d59da3f61f7ad73e48f7">{"x":{"filter":"none","data":[["<a href=https://forestgeo.github.io/fgeo.analyze/reference/abundance>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/abundance_byyr>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/fgeo_habitat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/fgeo_topography>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/recruitment_ctfs>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/summary.tt_df>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/tt_test>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot.fgeo_habitat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot.sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot_by_species.sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/plot_dbh_bubbles_by_quadrat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/plot_tag_status_by_subquadrat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/sp>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_status_tree>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_subquad>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_var>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/fgeo_elevation>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/pick_drop>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/pick_main_stem>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/read_vft>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/sanitize_vft>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/datasets>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/download_data>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/example_path>?<\/a>","<a href=https://forestgeo.github.io/fgeo/reference/fgeo_browse>?<\/a>","<a href=https://forestgeo.github.io/fgeo/reference/fgeo_help>?<\/a>"],["abundance, basal_area","abundance_byyr, basal_area_byyr","fgeo_habitat","fgeo_topography","recruitment_ctfs, mortality_ctfs, growth_ctfs","summary","tt_test","autoplot","autoplot","autoplot_by_species","elev","plot_dbh_bubbles_by_quadrat","plot_tag_status_by_subquadrat","sp","sp_elev","add_status_tree","add_subquad","add_var, add_lxly, add_qxqy, add_index, add_col_row, add_hectindex, add_quad, add_gxgy","fgeo_elevation","pick_drop, pick_dbh_min, pick_dbh_max, pick_dbh_under, pick_dbh_over, pick_status, drop_status","pick_main_stem, pick_main_stemid","read_vft, read_taxa","sanitize_vft, sanitize_taxa","datasets, elevation, habitat, stem5, stem6, tree5, tree6, vft_4quad, tree6_3species","download_data","example_path","fgeo_browse, fgeo_browse_reference","fgeo_help"],["Abundance and basal area, optionally by groups.","Create tables of abundance and basal area by year.","Structure habitat data from measures of topography.","Structure topography data with mean elevation, convexity, and slope.","Recruitment, mortality, and growth.","Summary of 'tt_test()' results.","Torus Translation Test to determine habitat associations of tree species.","Plot habitats.","Plot species distribution and/or topography.","List plots of species distribution and topography (good for pdf output).","Allow autoplotting the column 'elev'.","List dbh bubble-plots by quadrat (good for .pdf output).","List plots of tree-tag status by subquadrat (good for .pdf output).","Allow autoplotting the column 'sp'.","Allow autoplotting the columns 'sp' and 'elev'.","Add column 'status_tree' based on the status of all stems of each tree.","Add column 'subquadrat' based on 'qx' and 'qy' coordinates.","Add columns 'lx/ly', 'QX/QY', 'index', 'col/row', 'hectindex', 'quad', 'gx/gy'.","Structure elevation data.","Pick and drop rows of a ForestGEO ViewFullTable or census table.","Pick the main stem or main stemid(s) of each tree in each census.","Import ViewFullTable and ViewTaxonomy from .tsv or .csv files.","Modify ViewFullTable and ViewTaxonomy to fix common data-structure issues.","Datasets from Luquillo, Puerto Rico.","Download data from fgeo.data.","Get path to file or directory containing example data.","Open a web browser on fgeo's website.","Get help with fgeo."]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th><\/th>\n      <th>object<\/th>\n      <th>description<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"dom":"fti","search":{"search":"topography"},"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-ad68cc77d68e91911170" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-ad68cc77d68e91911170">{"x":{"filter":"none","data":[["<a href=https://forestgeo.github.io/fgeo.analyze/reference/abundance>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/abundance_byyr>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/fgeo_habitat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/fgeo_topography>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/recruitment_ctfs>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/summary.tt_df>?<\/a>","<a href=https://forestgeo.github.io/fgeo.analyze/reference/tt_test>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot.fgeo_habitat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot.sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/autoplot_by_species.sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/plot_dbh_bubbles_by_quadrat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/plot_tag_status_by_subquadrat>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/sp>?<\/a>","<a href=https://forestgeo.github.io/fgeo.plot/reference/sp_elev>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_status_tree>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_subquad>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/add_var>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/fgeo_elevation>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/pick_drop>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/pick_main_stem>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/read_vft>?<\/a>","<a href=https://forestgeo.github.io/fgeo.tool/reference/sanitize_vft>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/datasets>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/download_data>?<\/a>","<a href=https://forestgeo.github.io/fgeo.x/reference/example_path>?<\/a>","<a href=https://forestgeo.github.io/fgeo/reference/fgeo_browse>?<\/a>","<a href=https://forestgeo.github.io/fgeo/reference/fgeo_help>?<\/a>"],["abundance, basal_area","abundance_byyr, basal_area_byyr","fgeo_habitat","fgeo_topography","recruitment_ctfs, mortality_ctfs, growth_ctfs","summary","tt_test","autoplot","autoplot","autoplot_by_species","elev","plot_dbh_bubbles_by_quadrat","plot_tag_status_by_subquadrat","sp","sp_elev","add_status_tree","add_subquad","add_var, add_lxly, add_qxqy, add_index, add_col_row, add_hectindex, add_quad, add_gxgy","fgeo_elevation","pick_drop, pick_dbh_min, pick_dbh_max, pick_dbh_under, pick_dbh_over, pick_status, drop_status","pick_main_stem, pick_main_stemid","read_vft, read_taxa","sanitize_vft, sanitize_taxa","datasets, elevation, habitat, stem5, stem6, tree5, tree6, vft_4quad, tree6_3species","download_data","example_path","fgeo_browse, fgeo_browse_reference","fgeo_help"],["Abundance and basal area, optionally by groups.","Create tables of abundance and basal area by year.","Create habitat data from measures of topography.","Create topography data: convexity, slope, and mean elevation.","Recruitment, mortality, and growth.","Summary of 'tt_test()' results.","Torus Translation Test to determine habitat associations of tree species.","Plot habitats.","Plot species distribution and/or topography.","List plots of species distribution and topography (good for pdf output).","Allow autoplotting the column 'elev'.","List dbh bubble-plots by quadrat (good for .pdf output).","List plots of tree-tag status by subquadrat (good for .pdf output).","Allow autoplotting the column 'sp'.","Allow autoplotting the columns 'sp' and 'elev'.","Add column 'status_tree' based on the status of all stems of each tree.","Add column 'subquadrat' based on 'qx' and 'qy' coordinates.","Add columns 'lx/ly', 'QX/QY', 'index', 'col/row', 'hectindex', 'quad', 'gx/gy'.","Structure elevation data.","Pick and drop rows of a ForestGEO ViewFullTable or census table.","Pick the main stem or main stemid(s) of each tree in each census.","Import ViewFullTable and ViewTaxonomy from .tsv or .csv files.","Modify ViewFullTable and ViewTaxonomy to fix common data-structure issues.","Datasets from Luquillo, Puerto Rico.","Download data from fgeo.data.","Get path to file or directory containing example data.","Open a web browser on fgeo's website.","Get help with fgeo."]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th><\/th>\n      <th>object<\/th>\n      <th>description<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"dom":"fti","search":{"search":"topography"},"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 </div>
 <div id="explore-fgeo" class="section level3">
 <h3 class="hasAnchor">
@@ -325,7 +325,7 @@ <h3 class="hasAnchor">
 fgeo_habitat
 </td>
 <td style="text-align:left;">
-Structure habitat data from measures of topography.
+Create habitat data from measures of topography.
 </td>
 </tr>
 <tr>
@@ -336,7 +336,7 @@ <h3 class="hasAnchor">
 fgeo_topography
 </td>
 <td style="text-align:left;">
-Structure topography data with mean elevation, convexity, and slope.
+Create topography data: convexity, slope, and mean elevation.
 </td>
 </tr>
 <tr>
diff --git a/docs/index.html b/docs/index.html
index 894160b..7e9fdc3 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -360,10 +360,10 @@ <h4 class="hasAnchor">
 <div class="sourceCode" id="cb10"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb10-1" data-line-number="1">(files &lt;-<span class="st"> </span><span class="kw">path_file</span>(<span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/names">names</a></span>(censuses)))</a>
 <a class="sourceLine" id="cb10-2" data-line-number="2"><span class="co">#&gt; tree5.RData tree6.RData</span></a>
 <a class="sourceLine" id="cb10-3" data-line-number="3">(folder &lt;-<span class="st"> </span><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/tempfile">tempdir</a></span>())</a>
-<a class="sourceLine" id="cb10-4" data-line-number="4"><span class="co">#&gt; [1] "C:\\Users\\LeporeM\\AppData\\Local\\Temp\\1\\RtmpoprijZ"</span></a>
+<a class="sourceLine" id="cb10-4" data-line-number="4"><span class="co">#&gt; [1] "C:\\Users\\LeporeM\\AppData\\Local\\Temp\\1\\RtmpEDvqkz"</span></a>
 <a class="sourceLine" id="cb10-5" data-line-number="5">(paths &lt;-<span class="st"> </span><span class="kw">path</span>(folder, files))</a>
-<a class="sourceLine" id="cb10-6" data-line-number="6"><span class="co">#&gt; C:/Users/LeporeM/AppData/Local/Temp/1/RtmpoprijZ/tree5.RData</span></a>
-<a class="sourceLine" id="cb10-7" data-line-number="7"><span class="co">#&gt; C:/Users/LeporeM/AppData/Local/Temp/1/RtmpoprijZ/tree6.RData</span></a>
+<a class="sourceLine" id="cb10-6" data-line-number="6"><span class="co">#&gt; C:/Users/LeporeM/AppData/Local/Temp/1/RtmpEDvqkz/tree5.RData</span></a>
+<a class="sourceLine" id="cb10-7" data-line-number="7"><span class="co">#&gt; C:/Users/LeporeM/AppData/Local/Temp/1/RtmpEDvqkz/tree6.RData</span></a>
 <a class="sourceLine" id="cb10-8" data-line-number="8"></a>
 <a class="sourceLine" id="cb10-9" data-line-number="9"><span class="kw">walk2</span>(censuses, paths, <span class="op">~</span><span class="st"> </span><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/save">save</a></span>(.x, <span class="dt">file =</span> .y))</a>
 <a class="sourceLine" id="cb10-10" data-line-number="10"></a>