addFilter               add filters to columns
addStyle                Add a style to a set of cells
addWorksheet            Add a worksheet to a workbook
all.equal               Check equality of workbooks
conditionalFormat       Add conditional formatting to cells
conditionalFormatting   Add conditional formatting to cells
convertFromExcelRef     Convert excel column name to integer index
convertToDate           Convert from excel date number to R Date type
convertToDateTime       Convert from excel time number to R POSIXct
                        type.
createComment           write a cell comment
createStyle             Create a cell style
createWorkbook          Create a new Workbook object
deleteData              Delete cell data
freezePane              Freeze a worksheet pane
getBaseFont             Return the workbook defaul font
getCellRefs             Return excel cell coordinates from (x,y)
                        coordinates
getDateOrigin           Return the date origin used internally by an
                        xlsx or xlsm file
getNamedRegions         Get named regions in an xlsx file.
getSheetNames           Returns the worksheet names within an xlsx file
getStyles               Returns a list of all styles in the workbook
insertImage             Insert an image into a worksheet
insertPlot              Insert the current plot into a worksheet
int2col                 Convert integer to Excel column
loadWorkbook            Load an exisiting .xlsx file
mergeCells              Merge cells within a worksheet
modifyBaseFont          Modify the default font
names                   get or set worksheet names
openXL                  Open a Microsoft Excel file (xls/xlsx) or an
                        openxlsx Workbook
openxlsx                xlsx reading, writing and editing.
pageSetup               Set page margins, orientation and print scaling
read.xlsx               Read data from an Excel file or Workbook object
                        into a data.frame
readWorkbook            Read data from a worksheet into a data.frame
removeCellMerge         Create a new Workbook object
removeColWidths         Remove custom column widths from a worksheet
removeComment           Remove a comment from a cell
removeFilter            removes worksheet filter from addFilter and
                        writeData
removeRowHeights        Remove custom row heights from a worksheet
removeWorksheet         Remove a worksheet from a workbook
renameWorksheet         Rename an exisiting worksheet
replaceStyle            Replace an existing cell style
saveWorkbook            save Workbook to file
setColWidths            Set worksheet column widths
setFooter               Set footer for all worksheets
setHeader               Set header for all worksheets
setHeaderFooter         Set document headers and footers
setRowHeights           Set worksheet row heights
sheets                  Returns names of worksheets.
showGridLines           Set worksheet gridlines to show or hide.
worksheetOrder          Order of worksheets in xlsx file
write.xlsx              write directly to an xlsx file
writeComment            write a cell comment
writeData               Write an object to a worksheet
writeDataTable          Write to a worksheet and format as a table
writeFormula            Write a character vector as an Excel Formula
