Hidden Insights
Experience the possibilities with Business Analytics
Understanding your data: Assessing the impact of missingness and dimensionality
In the previous section of this series we discussed ways of assessing the relationship between variables. This week we change the focus to the shape and sparsity of our dataset. One area of Explanatory Data Analysis which we’ve missed so far is the impact of missingness in data. Having missing
Wieso, weshalb, warum? Wer nicht fragt bleibt dumm …
„Ich wusste gar nicht, dass man bei Ihnen einfach so anrufen kann.“
Understanding your data: Assessing Correlation & Relationships
In the previous section of this series we looked at basic summary statistics. In this article we start to consider the relationships between variables in our dataset. As part of your Explanatory Data Analysis it is worth looking for correlation between variables. Generally, when referring to correlation we mean the