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ggplot2 is an open-source data visualization package for the statistical programming language R.Created by Hadley Wickham in 2005, ggplot2 is an implementation of Leland Wilkinson's Grammar of Graphics—a general scheme for data visualization which breaks up graphs into semantic components such as scales and layers. ggplot2 can serve as a replacement for the base graphics in R and contains a ...
Vector Markup Language (VML) is an obsolete XML-based file format for two-dimensional vector graphics.It was specified in Part 4 of the Office Open XML standards ISO/IEC 29500 and ECMA-376.
Here, we deal with format elements like content structuring, borders, page color, etc. Well, there's a little more to style than that, and the rest is covered here too.... To create a table of contents like the above (that changes its direction of lean randomly), use this code:
The themes or thémata (Greek: θέματα, thémata, singular: θέμα, théma) were the main military and administrative divisions of the middle Byzantine Empire.They were established in the mid-7th century in the aftermath of the Slavic migrations to Southeastern Europe and Muslim conquests of parts of Byzantine territory, and replaced the earlier provincial system established by ...