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copied!<p>Hi @user2691669 welcome to SO. I will try to address your 4 questions. </p> <ol> <li>To set style use a marker with option symbol = <code>your style</code> </li> <li>To remove markers use a marker with option enabled = <code>FALSE</code></li> <li>To not have a series show in legend use <code>showInLegend = FALSE</code></li> <li>To interpolate missing values the best i can offer is <code>connectNulls = TRUE</code></li> </ol> <p>Your code can be written to implement the above as:</p> <pre><code>set.seed(123134) y <- rnorm(20, 35, 4) y[7] <- NA y[13] <- NA y <- rbind(t(t(y)), t(t(rep(NA, 10)))) fc <- rnorm(10, 35, 1) fc <- rbind(t(t(rep(NA,20))), t(t(fc))) uci <- rnorm(10, 38, 1) uci <- rbind(t(t(rep(NA,20))), t(t(uci))) lci <- rnorm(10, 32, 1) lci <- rbind(t(t(rep(NA,20))), t(t(lci))) plotData <- data.frame(y,fc,uci,lci) h1 <- Highcharts$new() h1$chart(type="line") h1$series(data=plotData$y, marker = list(symbol = 'circle'), connectNulls = TRUE) h1$series(data=plotData$fc, marker = list(symbol = 'circle'), connectNulls = TRUE) h1$series(data=plotData$uci, showInLegend = FALSE, marker = list(symbol = 'square'), connectNulls = TRUE) h1$series(data=plotData$lci, showInLegend = FALSE, marker = list(symbol = 'square'), connectNulls = TRUE) h1$series(data=rep(30,30), marker= list(enabled = FALSE)) h1 </code></pre> <p>The various options can be seen at the <a href="http://api.highcharts.com/highcharts" rel="nofollow">HighCharts api</a> documentation. For example the marker options are found at <a href="http://api.highcharts.com/highcharts#plotOptions.series.marker" rel="nofollow">this link</a>.</p>

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