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copied!<p>To specify the exact settings you want it is best to output to PDF. The onscreen plot can change when it is re-sized etc. You need to set various graphical parameters to take care of the margins. There is a good outline of the plotting area in <code>base</code> graphics and the appropriate <code>par</code> names to adjust <a href="http://research.stowers-institute.org/efg/R/Graphics/Basics/mar-oma/" rel="nofollow noreferrer"><strong>here</strong></a>. This code should give you exactly what you asked for:</p> <h2>Edit</h2> <p>It looks like the PDF device keeps a border of one line around the outside, no matter what. Be default line height ~ 0.2 inches. Therefore we increase our width and height by 0.5 inches and we get spacing of <em>exactly</em> one inch.</p> <p>Here is the measurements on my computer!! <img src="https://i.stack.imgur.com/Jj1yM.png" alt="enter image description here"></p> <pre><code>## Set pdf size to be slightly bigger than plot to take account of one line margin pdf( "~/myplot.pdf" , width = 6.5 , height = 15.5 ) ## Set graphical parameters to control the size of the plot area and the margins ## Set size of plot area to 6 inches wide by 15 inches tall par( pin = c(6,15) ) ## Remove margins around plot area par( mai = c(0,0,0,0) ) ## Remove outer margins around plot area par( omi = c(0,0,0,0) ) ## Set y-axis take use entire width of plot area (6 inches) and to have 7 tick marks (-3,-2,-1,0,1,2,3) par( yaxp = c(0,1,7) ) ## Set x-axis take use entire height of plot area (15 inches) and to have 27 tick marks (-13,-12,...,0,...11,12,13) par( xaxp = c(0,1,27) ) ## Create the plot plot( x , y , type = "l" , frame.plot = FALSE , axes = FALSE ) axis( 1 , pos = 0 , at = seq( -3 , 3 , by = 1 ) , labels = seq( -3 , 3 , by = 1 ) ) axis( 2 , pos = 0 , at = seq( -13 , 13 , by = 1 ) , labels = seq( -13 , 13 , by = 1 ) ) text(0.5,5,expression(f(x)==frac(1,2)*x^3) ) ## Turn PDF device off dev.off() </code></pre> <p>And the results:</p> <p><img src="https://i.stack.imgur.com/Wisf2.jpg" alt="enter image description here"></p>

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