"If outlier points were removed, activate \"Interpolate gaps\" or ",
"decrease the threshold for maximum allowed gap length. ",
"The latter will result in entire trajectories with outliers being removed."),
alLearnMore=paste0("<p><a href=http://www.sthda.com/english/wiki/print.php?id=241>Clustering</a> is an <b>unsupervised</b> machine learning method for partitioning ",