Quality improvement is playing the key role in success of a business. Reduction variability main step for quality. Control charts are developed purpose monitoring quality characteristics with aim reducing variability. In many industries instead continuous variable categorical (ordinal) data used to measure interest. Hence developing control techniques ordinal has become recent research focus. p...

We present an integrated approach for creating and assigning color palettes to different visualizations such as multi-class scatterplots, line, bar charts. While other methods separate the creation of colors from their assignment, our takes data characteristics into account produce palettes, which are then assigned in a way that fosters better visual discrimination classes. To do so, we use cus...