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2. Psychometric software - Wikipedia

   en.wikipedia.org/wiki/Psychometric_software

   Full Pearson correlation matrix (item matrix) with levels of statistical significance ... (Classical Item and Test Analysis Spreadsheet) is a free Excel workbook ...

3. Origin (data analysis software) - Wikipedia

   en.wikipedia.org/wiki/Origin_(data_analysis...

   Origin is primarily a GUI software with a spreadsheet front end. Unlike popular spreadsheets like Excel, Origin's worksheet is column oriented. Each column has associated attributes like name, units and other user definable labels. Instead of cell formula, Origin uses column formula for calculations.

4. Correlogram - Wikipedia

   en.wikipedia.org/wiki/Correlogram

   In the analysis of data, a correlogram is a chart of correlation statistics. For example, in time series analysis, a plot of the sample autocorrelations versus (the time lags) is an autocorrelogram. If cross-correlation is plotted, the result is called a cross-correlogram.

5. Contingency table - Wikipedia

   en.wikipedia.org/wiki/Contingency_table

   Pivot table, in spreadsheet software, cross-tabulates sampling data with counts (contingency table) and/or sums. TPL Tables is a tool for generating and printing crosstabs. The iterative proportional fitting procedure essentially manipulates contingency tables to match altered joint distributions or marginal sums.

6. Data and information visualization - Wikipedia

   en.wikipedia.org/wiki/Data_and_information...

   Many graphs are also referred to as charts. [51] Eppler and Lengler have developed the "Periodic Table of Visualization Methods," an interactive chart displaying various data visualization methods. It includes six types of data visualization methods: data, information, concept, strategy, metaphor and compound. [52]

7. 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.

8. Play Hearts Online for Free - AOL.com

   www.aol.com/games/play/masque-publishing/hearts

   Enjoy a classic game of Hearts and watch out for the Queen of Spades!

9. Correlation coefficient - Wikipedia

   en.wikipedia.org/wiki/Correlation_coefficient

   A correlation coefficient is a numerical measure of some type of linear correlation, meaning a statistical relationship between two variables. [ a ] The variables may be two columns of a given data set of observations, often called a sample , or two components of a multivariate random variable with a known distribution .