Some consequences of the wrong sampling

Following the previous post, lets see if sampling matters.

This graph shows a few episodes of Euromaidan communication. It features QAP correlations for likes and betweenness (keep in mind, that QAP is about differences in likes/betweenness across nodes i and j) for a particular week. The correlation is quite strong, however, a regular sample overestimates it.

ps. a sample correction will be discussed in further posts

Screen Shot 2015-10-23 at 12.23.38 AM

Graph: QAP correlation between likes and betweenness.

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