DQdlM questions

• Why does `stringsAsFactors` use capital letters for readability in R?
• How can I produce more than one file format per plot code in R?
• How can I merge and maintain the row order of one input? [duplicate]
• What is the second column of `str` report in R and what does `atomic` in this column mean?
• How can I reorder the x axis in a plot in R?
• Subset a data frame using OR when the column contains a factor
• Can I use shell wildcards to select filenames ranging across double-digit numbers (e.g., from foo_1.jpg to foo_54.jpg)?
• How do I put more space between the axis labels and axis title in an R boxplot
• How can I insert vertical blank space into an html document?
• Replace a value in a data frame based on a conditional (`if`) statement

DQdlM answers