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<!DOCTYPE html>
<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><title>Limit the allowed data set size by number of cells — limit_data_size • FreesearchR</title><!-- favicons --><link rel="icon" type="image/png" sizes="96x96" href="../favicon-96x96.png"><link rel="icon" type="”image/svg+xml”" href="../favicon.svg"><link rel="apple-touch-icon" sizes="180x180" href="../apple-touch-icon.png"><link rel="icon" sizes="any" href="../favicon.ico"><link rel="manifest" href="../site.webmanifest"><script src="../deps/jquery-3.6.0/jquery-3.6.0.min.js"></script><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><link href="../deps/bootstrap-5.3.1/bootstrap.min.css" rel="stylesheet"><script src="../deps/bootstrap-5.3.1/bootstrap.bundle.min.js"></script><link href="../deps/Montserrat-0.4.10/font.css" rel="stylesheet"><link href="../deps/Public_Sans-0.4.10/font.css" rel="stylesheet"><link href="../deps/font-awesome-6.5.2/css/all.min.css" rel="stylesheet"><link href="../deps/font-awesome-6.5.2/css/v4-shims.min.css" rel="stylesheet"><script src="../deps/headroom-0.11.0/headroom.min.js"></script><script src="../deps/headroom-0.11.0/jQuery.headroom.min.js"></script><script src="../deps/bootstrap-toc-1.0.1/bootstrap-toc.min.js"></script><script src="../deps/clipboard.js-2.0.11/clipboard.min.js"></script><script src="../deps/search-1.0.0/autocomplete.jquery.min.js"></script><script src="../deps/search-1.0.0/fuse.min.js"></script><script src="../deps/search-1.0.0/mark.min.js"></script><!-- pkgdown --><script src="../pkgdown.js"></script><link href="../extra.css" rel="stylesheet"><meta property="og:title" content="Limit the allowed data set size by number of cells — limit_data_size"><meta name="description" content="This function may act to guard a hosted app against very large data sets in
addition to the file size limitations.
The function will limit the data set by dropping rows."><meta property="og:description" content="This function may act to guard a hosted app against very large data sets in
The function will limit the data set by dropping rows.
If limit is set to 0 or NULL, the original data set is returned."><meta property="og:description" content="This function may act to guard a hosted app against very large data sets in
addition to the file size limitations.
The function will limit the data set by dropping rows."><meta property="og:image" content="https://agdamsbo.github.io/FreesearchR/logo.png"><script defer src="https://stats.freesearchr.org/script.js" data-website-id="85bfd1e8-2cbe-4a4a-aa34-1dfb2960905b"></script></head><body>
The function will limit the data set by dropping rows.
If limit is set to 0 or NULL, the original data set is returned."><meta property="og:image" content="https://agdamsbo.github.io/FreesearchR/logo.png"><script defer src="https://stats.freesearchr.org/script.js" data-website-id="85bfd1e8-2cbe-4a4a-aa34-1dfb2960905b"></script></head><body>
<a href="#main" class="visually-hidden-focusable">Skip to contents</a>
@ -11,7 +13,7 @@ The function will limit the data set by dropping rows."><meta property="og:image
<a class="navbar-brand me-2" href="../index.html">FreesearchR</a>
<small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">26.1.2</small>
<small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">26.2.1</small>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@ -42,14 +44,15 @@ The function will limit the data set by dropping rows."><meta property="og:image
<div class="row">
<main id="main" class="col-md-9"><div class="page-header">
<img src="../logo.png" class="logo" alt=""><h1>Limit the allowed data set size by number of cells</h1>
<small class="dont-index">Source: <a href="https://github.com/agdamsbo/FreesearchR/blob/v26.1.2/R/import-file-ext.R" class="external-link"><code>R/import-file-ext.R</code></a></small>
<small class="dont-index">Source: <a href="https://github.com/agdamsbo/FreesearchR/blob/main/R/import-file-ext.R" class="external-link"><code>R/import-file-ext.R</code></a></small>
<div class="d-none name"><code>limit_data_size.Rd</code></div>
</div>
<div class="ref-description section level2">
<p>This function may act to guard a hosted app against very large data sets in
addition to the file size limitations.
The function will limit the data set by dropping rows.</p>
The function will limit the data set by dropping rows.
If limit is set to 0 or NULL, the original data set is returned.</p>
</div>
<div class="section level2">
@ -78,40 +81,9 @@ The function will limit the data set by dropping rows.</p>
<h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/prod.html" class="external-link">prod</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/dim.html" class="external-link">dim</a></span><span class="op">(</span><span class="va">mtcars</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] 352</span>
<span class="r-in"><span><span class="fu">limit_data_size</span><span class="op">(</span><span class="va">mtcars</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> mpg cyl disp hp drat wt qsec vs am gear carb</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Mazda RX4 21.0 6 160.0 110 3.90 2.620 16.46 0 1 4 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Mazda RX4 Wag 21.0 6 160.0 110 3.90 2.875 17.02 0 1 4 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Datsun 710 22.8 4 108.0 93 3.85 2.320 18.61 1 1 4 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Hornet 4 Drive 21.4 6 258.0 110 3.08 3.215 19.44 1 0 3 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Hornet Sportabout 18.7 8 360.0 175 3.15 3.440 17.02 0 0 3 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Valiant 18.1 6 225.0 105 2.76 3.460 20.22 1 0 3 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Duster 360 14.3 8 360.0 245 3.21 3.570 15.84 0 0 3 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 240D 24.4 4 146.7 62 3.69 3.190 20.00 1 0 4 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 230 22.8 4 140.8 95 3.92 3.150 22.90 1 0 4 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 280 19.2 6 167.6 123 3.92 3.440 18.30 1 0 4 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 280C 17.8 6 167.6 123 3.92 3.440 18.90 1 0 4 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 450SE 16.4 8 275.8 180 3.07 4.070 17.40 0 0 3 3</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 450SL 17.3 8 275.8 180 3.07 3.730 17.60 0 0 3 3</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Merc 450SLC 15.2 8 275.8 180 3.07 3.780 18.00 0 0 3 3</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Cadillac Fleetwood 10.4 8 472.0 205 2.93 5.250 17.98 0 0 3 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Lincoln Continental 10.4 8 460.0 215 3.00 5.424 17.82 0 0 3 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Chrysler Imperial 14.7 8 440.0 230 3.23 5.345 17.42 0 0 3 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Fiat 128 32.4 4 78.7 66 4.08 2.200 19.47 1 1 4 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Honda Civic 30.4 4 75.7 52 4.93 1.615 18.52 1 1 4 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Toyota Corolla 33.9 4 71.1 65 4.22 1.835 19.90 1 1 4 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Toyota Corona 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Dodge Challenger 15.5 8 318.0 150 2.76 3.520 16.87 0 0 3 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> AMC Javelin 15.2 8 304.0 150 3.15 3.435 17.30 0 0 3 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Camaro Z28 13.3 8 350.0 245 3.73 3.840 15.41 0 0 3 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Pontiac Firebird 19.2 8 400.0 175 3.08 3.845 17.05 0 0 3 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Fiat X1-9 27.3 4 79.0 66 4.08 1.935 18.90 1 1 4 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Porsche 914-2 26.0 4 120.3 91 4.43 2.140 16.70 0 1 5 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Lotus Europa 30.4 4 95.1 113 3.77 1.513 16.90 1 1 5 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Ford Pantera L 15.8 8 351.0 264 4.22 3.170 14.50 0 1 5 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Ferrari Dino 19.7 6 145.0 175 3.62 2.770 15.50 0 1 5 6</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Maserati Bora 15.0 8 301.0 335 3.54 3.570 14.60 0 1 5 8</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Volvo 142E 21.4 4 121.0 109 4.11 2.780 18.60 1 1 4 2</span>
<span class="r-in"><span><span class="fu">limit_data_size</span><span class="op">(</span><span class="va">mtcars</span>,<span class="fl">2</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> mpg cyl</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Mazda RX4 21 6</span>
<span class="r-in"><span><span class="fu">limit_data_size</span><span class="op">(</span><span class="va">mtcars</span>,<span class="fl">100</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> mpg cyl disp hp drat wt qsec vs am gear carb</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Mazda RX4 21.0 6 160.0 110 3.90 2.620 16.46 0 1 4 4</span>