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2. Correlogram - Wikipedia

   en.wikipedia.org/wiki/Correlogram

   If cross-correlation is plotted, the result is called a cross-correlogram. The correlogram is a commonly used tool for checking randomness in a data set. If random, autocorrelations should be near zero for any and all time-lag separations. If non-random, then one or more of the autocorrelations will be significantly non-zero.

3. Correlation clustering - Wikipedia

   en.wikipedia.org/wiki/Correlation_clustering

   But, in general a graph may not have a perfect clustering. For example, given nodes a,b,c such that a,b and a,c are similar while b,c are dissimilar, a perfect clustering is not possible. In such cases, the task is to find a clustering that maximizes the number of agreements (number of + edges inside clusters plus the number of − edges ...

4. Scatter plot - Wikipedia

   en.wikipedia.org/wiki/Scatter_plot

   A scatter plot, also called a scatterplot, scatter graph, scatter chart, scattergram, or scatter diagram, [2] is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded (color/shape/size), one additional variable can be displayed.

5. Wikipedia:Graphs and charts - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:Graphs_and_charts

   The R programming language can be used for creating Wikipedia graphs. The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots ...

6. List of information graphics software - Wikipedia

   en.wikipedia.org/wiki/List_of_information...

   Free replacement for SPSS. QtiPlot: GUI, Python: proprietary: No 2004: May 31, 2017 / 0.9.9.11: Linux, Mac, Windows: Python scriptable R: Third party: GPL: Yes 1993: July 2, 2018 / 3.5.1("Feather Spray") Linux, Mac, Windows: In addition to base graphics, has a large number of graphics packages including lattice and ggplot2. [7] Interoperabile ...

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8. Pearson correlation coefficient - Wikipedia

   en.wikipedia.org/wiki/Pearson_correlation...

   Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.

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