Setting cell values in multiple cells in excel sheet using for loop - R Program










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I'm trying to update multiple cell values in an xlsx sheet using setCellValue(cell, value) function from xlsx package. Its working fine only when I gave one cell location, If I'm keeping the code under for() loop and concatenating the cell location, getting below error.



Code:



fn <- "C:/TestR.xlsx"
sn <- "ExtractOFDBItem"

wb <- loadWorkbook(fn)
sheets <- getSheets(wb)
sheet <- sheets[[sn]]
rows <- getRows(sheet)
cells <- getCells(rows)

for (i in 1:10)
cellLocation <- sprintf("cells$`%s.12`", i)
setCellValue(cellLocation, "There is difference in responses, Please check the Logs")
saveWorkbook(wb, fn)



Error:



Error in .jcall(cell, "V", "setCellValue", value) : 
RcallMethod: cannot determine object class


Can anyone help me with the code so that I can update multiple cells in a column with 'i' number of rows?










share|improve this question


























    0















    I'm trying to update multiple cell values in an xlsx sheet using setCellValue(cell, value) function from xlsx package. Its working fine only when I gave one cell location, If I'm keeping the code under for() loop and concatenating the cell location, getting below error.



    Code:



    fn <- "C:/TestR.xlsx"
    sn <- "ExtractOFDBItem"

    wb <- loadWorkbook(fn)
    sheets <- getSheets(wb)
    sheet <- sheets[[sn]]
    rows <- getRows(sheet)
    cells <- getCells(rows)

    for (i in 1:10)
    cellLocation <- sprintf("cells$`%s.12`", i)
    setCellValue(cellLocation, "There is difference in responses, Please check the Logs")
    saveWorkbook(wb, fn)



    Error:



    Error in .jcall(cell, "V", "setCellValue", value) : 
    RcallMethod: cannot determine object class


    Can anyone help me with the code so that I can update multiple cells in a column with 'i' number of rows?










    share|improve this question
























      0












      0








      0








      I'm trying to update multiple cell values in an xlsx sheet using setCellValue(cell, value) function from xlsx package. Its working fine only when I gave one cell location, If I'm keeping the code under for() loop and concatenating the cell location, getting below error.



      Code:



      fn <- "C:/TestR.xlsx"
      sn <- "ExtractOFDBItem"

      wb <- loadWorkbook(fn)
      sheets <- getSheets(wb)
      sheet <- sheets[[sn]]
      rows <- getRows(sheet)
      cells <- getCells(rows)

      for (i in 1:10)
      cellLocation <- sprintf("cells$`%s.12`", i)
      setCellValue(cellLocation, "There is difference in responses, Please check the Logs")
      saveWorkbook(wb, fn)



      Error:



      Error in .jcall(cell, "V", "setCellValue", value) : 
      RcallMethod: cannot determine object class


      Can anyone help me with the code so that I can update multiple cells in a column with 'i' number of rows?










      share|improve this question














      I'm trying to update multiple cell values in an xlsx sheet using setCellValue(cell, value) function from xlsx package. Its working fine only when I gave one cell location, If I'm keeping the code under for() loop and concatenating the cell location, getting below error.



      Code:



      fn <- "C:/TestR.xlsx"
      sn <- "ExtractOFDBItem"

      wb <- loadWorkbook(fn)
      sheets <- getSheets(wb)
      sheet <- sheets[[sn]]
      rows <- getRows(sheet)
      cells <- getCells(rows)

      for (i in 1:10)
      cellLocation <- sprintf("cells$`%s.12`", i)
      setCellValue(cellLocation, "There is difference in responses, Please check the Logs")
      saveWorkbook(wb, fn)



      Error:



      Error in .jcall(cell, "V", "setCellValue", value) : 
      RcallMethod: cannot determine object class


      Can anyone help me with the code so that I can update multiple cells in a column with 'i' number of rows?







      r






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Nov 13 '18 at 14:19









      squraishisquraishi

      144




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