## Tips for Ellipse Summary Plot

I privately had some questions and reply here, because it may also help others including me.

## Distribution, Density and Histogram

A histogram of samples is expected to converge to the density curve of the population, when the sample number is large.

## Draw an Ellipse Summary Plot in R

Correlation chart of two set (x and y) of data. Using Quantiles. Visualize the effect of factor.

## Quantiles: median, quartiles, octiles, hexadeciles, …

Among statistical summaries, quantiles are alternatives to means and variances, and are prefered sometimes. The benefit of quantiles is derived by its simplicity of calculation. Only the order. No assumptions … Continue reading

## Draw a Double Box Plot Chart (2-Axes Box Plot; Box Plot Correlation Diagram) in R

Box plot chart A visual diagram showing the distribution of numerical data. Information is organized, compared to a simple scatter plot. Using the quantiles than average and variance. Unknown (not … Continue reading