multivariate regression Correlation Related Topics 
Hubspot
DECEMBER 10, 2014
Within the guide is a research study conducted from March to June of 2014 that collected sponsored article prices from 550 blogs and publications and unveiled correlations with a variety of predictor variables, including Domain Authority (DA), Page Authority (PA), PageRank (PR), AlexaRank (AR), and Twitter, Facebook, and Pinterest followings.
Adobe Experience Cloud Blog
MARCH 14, 2013
Lacks insight into synergy of tactics, no correlations or connections. Should you want to test multiple campaigns at one time, you can also use multivariate testing methodologies. Requires assumptions that can add bias to the analysis. Important to find any possible “hidden” contributors, including online and sales activity.
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