<div dir="ltr"><pre style="margin-top:0px;margin-bottom:0px"><span style="font-family:arial,sans-serif;color:rgb(0,0,0)">command</span><span style="font-family:arial,sans-serif;color:rgb(192,192,192)"> </span><span style="font-family:arial,sans-serif;color:rgb(0,0,0)">=</span><span style="font-family:arial,sans-serif;color:rgb(192,192,192)"> </span><span style="font-family:arial,sans-serif;color:rgb(128,0,128)">QString</span><span style="font-family:arial,sans-serif;color:rgb(0,0,0)">(</span><span style="font-family:arial,sans-serif;color:rgb(0,128,0)">"library(ggplot2);svg(width=6,height=6,pointsize=10,filename=tfile);qplot(dframe$Shape_Leng,</span><span style="font-family:arial,sans-serif;color:rgb(192,192,192)"> </span><span style="font-family:arial,sans-serif;color:rgb(0,128,0)">data=dframe,</span><span style="font-family:arial,sans-serif;color:rgb(192,192,192)"> </span><span style="font-family:arial,sans-serif;color:rgb(0,128,0)">geom='histogram');dev.off();"</span><span style="font-family:arial,sans-serif;color:rgb(0,0,0)">);</span><br></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(128,0,0)">rconn</span><span style="color:rgb(0,0,0)">.</span><span style="color:rgb(0,0,0)">parseEvalQ</span><span style="color:rgb(0,0,0)">(</span><span style="color:rgb(0,0,0)">command</span><span style="color:rgb(0,0,0)">.</span><span style="color:rgb(0,0,0)">toStdString</span><span style="color:rgb(0,0,0)">());</span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,0,0)"><br></span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,0,0)">i try to do that, i get this error.</span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(170,0,170);font-family:Courier;font-size:10pt">Cannot read file 'C:\Users\JODIJS~1\AppData\Local\Temp\file87c57a9743b', because: Premature end of document.</span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,0,0)"><br></span></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(0,0,0)">but when i use hist() or plot() method it works. how to display ggplot2 output to Qt?</span></pre></div>