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Good Morning everyone,</div>
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I am trying to plot a network graph using 'netconnection' R function. I got the below error message. </div>
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R code and Error:</div>
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library(netmeta)</div>
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dat <- dat.hasselblad1998</div>
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dat</div>
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table(dat$study)</div>
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# restructure to a wide format</div>
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dat.wide <- to.wide(dat, study="study", grp="trt", ref="no_contact", grpvars=6:7)</div>
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dat.wide</div>
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nc1 <- netconnection(trt.1, trt.2, study, data = dat.wide)</div>
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Error in netconnection.default(trt.1, trt.2, study, data = dat.wide) :</div>
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The following studies have a wrong number of comparisons: '2', '9'</div>
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Please provide data for all treatment comparisons (two-arm: 1; three-arm: 3; four-arm: 6, ...).</div>
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I would appreciate it if someone could clarify this and let me know how to sort it out. Please note that studies 2 and 9 have 3 arms.</div>
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Marimuthu</div>
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Warm Regards,</div>
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<b>Marimuthu S,</b></div>
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Ph.D. Student <span style="background-color: rgb(255, 255, 255);">(Biostatistics)</span> </div>
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