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Statistica outline. Correlation analisys. Basic operations in Statistica Create a new spreadsheet file Fill two data columns: text values and data Save.

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Presentation on theme: "Statistica outline. Correlation analisys. Basic operations in Statistica Create a new spreadsheet file Fill two data columns: text values and data Save."— Presentation transcript:

1 Statistica outline. Correlation analisys

2 Basic operations in Statistica Create a new spreadsheet file Fill two data columns: text values and data Save the file as.sta Rename variables Add a variable Add cases Change precision Create case labels Plot it Calculate column statistics

3 Open file irisdat.sta Open Basic statistics/Tables -> -> Correlation matrices Selecting variables in irisdat.sta: Find correlations between SEPALLEN and PETALLEN Read the table header Increase precision Find ALL pairwise correlations Review the graphs Create a matrix scatterplot. Look at the most correlated pairwise distributions. Does it look reliable? Why?

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