Len Greski questions

Len Greski answers

• R xlsx package can not be used
• How can I estimate R script running time?
• Caching the mean of a Vector in R
• Format Code As a Code Block in R Markdown
• How to correctly output Plotly plots in shiny?
• How to make the table header bold with Knitr (for pdf output)?
• write.xlsx function not working
• R notebook: opts_chunk has no effect
• Looping linear regression output in a data frame in r
• How to format all numbers in a table in r using kable?