xiechao questions

xiechao answers

• Adding multiple vectors in R
• Convert mediawiki to LaTeX syntax
• R: How can I use apply on rows of a data.frame and get out $column_name?
• How to add custom series labels to a legend in R's ggplot?
• How does one overcome overlapping points without jitter or transparency in ggplot2
• How do I change the stacking order in a bar chart in ggplot2?
• picking a random line from stdout
• How can I declare a thousand separator in read.csv? [duplicate]
• How can I use Perl to concatenate array elements between two indexes?
• Insert line breaks in long string -- word wrap