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seed_need.html
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seed_need.html
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<h1>Required seed amount in a tricot project</h1>
<small class="dont-index">Source: <a href='https://github.com/agrobioinfoservices/ClimMobTools/blob/master/R/seed_need.R'><code>R/seed_need.R</code></a></small>
<div class="hidden name"><code>seed_need.Rd</code></div>
</div>
<div class="ref-description">
<p>Calculate the required amount of seeds (or other technology) required
for a triadic comparison of technologies (tricot) project.</p>
</div>
<pre class="usage"><span class='fu'>seed_need</span>(<span class='kw'>nobservers</span> <span class='kw'>=</span> <span class='fl'>100</span>, <span class='kw'>ncomp</span> <span class='kw'>=</span> <span class='fl'>3</span>, <span class='kw'>nitems</span> <span class='kw'>=</span> <span class='fl'>10</span>, <span class='kw'>nseeds</span> <span class='kw'>=</span> <span class='fl'>0.15</span>, <span class='kw'>unit</span> <span class='kw'>=</span> <span class='st'>"kg"</span>)</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>nobservers</th>
<td><p>an integer for the number of observers</p></td>
</tr>
<tr>
<th>ncomp</th>
<td><p>an integer for the number of items each observer compares</p></td>
</tr>
<tr>
<th>nitems</th>
<td><p>an integer for the number of items tested in the project</p></td>
</tr>
<tr>
<th>nseeds</th>
<td><p>an integer for the metric of seeds each bag receives</p></td>
</tr>
<tr>
<th>unit</th>
<td><p>optional, a character specifying the metric unit used</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
<p>a dataframe with required number of seeds</p>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><div class='input'>
<span class='co'># allocate 0.2 kg of seeds per variety in a project with 500 </span>
<span class='co'># participants and 14 varieties</span>
<span class='fu'>seed_need</span>(<span class='kw'>nobservers</span> <span class='kw'>=</span> <span class='fl'>500</span>,
<span class='kw'>ncomp</span> <span class='kw'>=</span> <span class='fl'>3</span>,
<span class='kw'>nitems</span> <span class='kw'>=</span> <span class='fl'>14</span>,
<span class='kw'>nseeds</span> <span class='kw'>=</span> <span class='fl'>0.2</span>)</div><div class='output co'>#> var quant unit
#> <chr> <dbl> <chr>
#> 1: N bags 1512.00 unit
#> 2: Bags per variety 108.00 unit
#> 3: Seeds per variety 22.00 kg
#> 4: Seeds total 308.00 kg</div><div class='input'>
<span class='co'># allocate 100 seedlings per variety in a project with 400 </span>
<span class='co'># participants, 8 varieties and 3 comparisons between varieties</span>
<span class='fu'>seed_need</span>(<span class='kw'>nobservers</span> <span class='kw'>=</span> <span class='fl'>400</span>,
<span class='kw'>ncomp</span> <span class='kw'>=</span> <span class='fl'>3</span>,
<span class='kw'>nitems</span> <span class='kw'>=</span> <span class='fl'>9</span>,
<span class='kw'>nseeds</span> <span class='kw'>=</span> <span class='fl'>100</span>,
<span class='kw'>unit</span> <span class='kw'>=</span> <span class='st'>"unit"</span>)</div><div class='output co'>#> var quant unit
#> <chr> <dbl> <chr>
#> 1: N bags 1206.00 unit
#> 2: Bags per variety 134.00 unit
#> 3: Seeds per variety 13400.00 unit
#> 4: Seeds total 120600.00 unit</div></pre>
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