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Usage and meaning of specific technical words/concepts in statistics.

6 votes
1 answer
3k views

Relative Variance

Is there a standard definition of the Relative Variance? Wikipedia defines it as the square of the coefficient of variation, but some articles define it as the variance divided by the absolute value o …
Ismael Ghalimi's user avatar
0 votes

What is this bar graph with subgroups called?

This is a particular case of what is called a small multiple. According to Wikipedia, it could also be called trellis chart, lattice chart, grid chart, or panel chart. Some software packages like Vega …
Ismael Ghalimi's user avatar
2 votes
0 answers
405 views

What is the proper name for a Quantile Bar Chart?

What is the proper name for a Bar Chart plotting quantiles (like percentiles) in abscissa (X-axis) and a corresponding continuous variable in ordinate (Y-axis)? For example, if the chart is based on p …
Ismael Ghalimi's user avatar
8 votes
1 answer
204 views

A name for operator-dependent cross-product

Suppose that we have a $\\n\times p$ matrix $\mathbf{M}$. Different transformations using different column-wise operators can lead to a new $\\p\times p$ symmetric matrix $\mathbf{S}$. For example, th …
Ismael Ghalimi's user avatar
119 votes
4 answers
53k views

Why isn't Logistic Regression called Logistic Classification?

Since Logistic Regression is a statistical classification model dealing with categorical dependent variables, why isn't it called Logistic Classification? Shouldn't the "Regression" name be reserved t …
Ismael Ghalimi's user avatar