Discriminant function analysis of syllable parameters in the different social contexts.

<p>Scatter plots are separated by sex and population. Arrows indicate the direction of the three parameters with the strongest influence on the separation of the data: slope, jumps, turns; plus and minus indicate a positive or negative change of the parameter in the arrow's direction; for the loadings of these and the other parameters see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0097244#pone-0097244-t005" target="_blank">table 5</a>. Abbreviations and colours as in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0097244#pone-0097244-g004" target="_blank">Figure 4</a>.