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<p class="MsoNormal">Dear Herbert,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">With readdata and listplot it is possible to trace graph from data exported from Excel, …<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">As explained in the doc, the data are like this<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A1, B1,C1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A2,B2,C2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">An,Bn,CN<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">and using plotNo=, … we can do a lot with our data.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">It seems that if a data is missing as in the second line below<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A1, B1,C1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A2,,C2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">An,Bn,CN<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">the plot will be wrong.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Would it possible to detect missing data and plot nothing so thatwith plotstyle=dots the graph would have a hole indicating that data are missing.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Of course with plotstyle=line, cspline, curve, … something will the traced that would probably be wrong.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Patrice <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
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