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Correlation across assays analysis options

Correlation and similarity measures

Features within same chromosome: this option will restrict feature comparison to the chromosome location

All features in one data node vs all features in the other data node: this option will perform the comparison using all combinations without location constraint

Pearson: linear correlation: Image Added

Spearman: rank correlation: Image Added

Report correlation pairs

P-value: select a cut-off value for significance and only those pairs that meet the criteria will be reported

abs(Correlation coefficient):

magnitude of correlation (represented by the symbol r); the greater the absolute value the stronger the correlation

A perfect linear relationship yields a correlation coefficient of +1 (or -1 for a negative relationship) and no linear relationship yields a correlation coefficient of 0.

Compute the absolute value of the correlation coefficient between two variables

Correlation across assays produces a Correlation pair list data node; double-click to open the table (Figure 5). The table can be sorted and filtered using the column titles. 

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