# Archive for the ‘Research’ Category

## Majestic Beginners Guide to Correlation: Part 5

By Neep Hazarika | |

Review of Previous Parts In Part 1, we described how two datasets can have strong, weak or no correlation depending on how the points in the resultant scatter plot are located relative to one another along a straight line. In keeping with conventional practice, the two variables are often referred to separately as X, with…

## Majestic Beginners Guide to Correlation: Part 4

In Parts 1, 2 and 3, we looked at statistical measures of datasets that were purely one-dimensional in nature, i.e., all the observations constituting the dataset were of the same type.  Examples of such datasets are the time elapsed between eruptions of the Old Faithful Geyser Continue reading

## A Study of Subnet/ IP Link Ratios

This short blog is in response to a recent support ticket querying whether particular domains display significant differences in terms of the ratio of referring subnets to referring IP addresses. We were asked what a “normal” value of this ratio could be. A statistical study was performed on the Majestic Million data. We found that…

## MajesticSEO Beginners Guide to Correlation: Part 3

In Parts 1 and 2, we have looked at the definitions of correlation, population and sample size. In this part, we will go through the essentials of the mathematics involved.  Before we can proceed any further, however, we have to define certain fundamental statistical concepts. Statistical Measures of a Data Set In this section, it…

(This is a guest post by Barrie Smith. His observations and insights are his own.) I have recently been keeping a tab on Google page 1 results for “Payday Loans” – a search term historically showing results of websites ranking having used spammy, dodgy and/or underhand link building techniques. Even in the year 2013 –…

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