Traditional scatter-plot.

Video tutorial: Why did people take to the streets of Moscow in 2011, protesting against the rigged elections.

The pure mathematical proof.

You can open the instrument in a new window/tab.

Traditional scatter-plot.

Video tutorial: Why did people take to the streets of Moscow in 2011, protesting against the rigged elections.

The pure mathematical proof.

You can open the instrument in a new window/tab.

Scatter-plot diagram visualizes correlations of two chosen values. Each pair of values, most often they are a subset of voting results by PECs, corresponds to a point whose coordinates are equal to the values. Uniform distributions are expected, without clusters, lines, abnormalities and artefacts.