Omar Wasow questions

Omar Wasow answers

• Issue when importing dataset: `Error in scan(...): line 1 did not have 145 elements`
• R markdown format title - pdf output
• knitr: Add figure notes
• map a vector of characters to lm formula in r
• Flatten the alpha channel in ggplot2
• Drawing simple mediation diagram in R
• How to count the number of pages in a PDF from R?
• How to OCR multiple column in a document using tesseract
• Determine season from Date using lubridate in R
• How to fix 'Error in if (nchar(text.matrix[r, c]) > max.length[real.c]) { : missing value where TRUE/FALSE needed' using stargazer in rstudio?