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...d") But I just see the first curve. I have tried it on the console separately and it?s still not working. There is no error message but I can?t see the second curve. Is there a parameter that I need to change with par()? Thank you ----- Anna Lippel new in R so be careful I should be asking a loooooooot of questions!:teeth: -- View this message in context: http://old.nabble.com/Problem-at-adding-lines-on-a-graphics-with-lines%28%29-function-tp26443627p26443627.html Sent from the R help mailing list archive at Nabble.com.

Hello, I am having trouble by using the write.table function to write a data frame of 4 columns and 7530 rows. I don?t know if I should just use a sep="\n" and change the .xls file into a .csv file. Thanks in advance ----- Anna Lippel new in R so be careful I should be asking a loooooooot of questions!:teeth: -- View this message in context: http://old.nabble.com/Writing-a-data-frame-in-an-excel-file-tp26378240p26378240.html Sent from the R help mailing list archive at Nabble.com.

...n an existing file that you gave me on my former post or on some websites. I can?t find either functions to manipulate those datas: for example, I would like some lines to be red or green according to their value. Thank you in advance! ----- Anna Lippel new in R so be careful I should be asking a loooooooot of questions!:teeth: -- View this message in context: http://old.nabble.com/Creating-an-excel-file-and-manipulating-it-from-R-tp26408408p26408408.html Sent from the R help mailing list archive at Nabble.com.

...ls") datas <- sqlFetch(z,"Sheet1") close(z) It works pretty well but the only thing is that the datas stop at row 7530 and I don?t know why datas is a data frame that contains 7531 rows with the last two ones = NA... ----- Anna Lippel new in R so be careful I should be asking a loooooooot of questions!:teeth: -- View this message in context: http://old.nabble.com/Error-on-reading-an-excel-file-tp26371750p26371750.html Sent from the R help mailing list archive at Nabble.com.

...datas. Then what I did is setting safer as false and append as true so it can append to the empty dataframe the new dataframe but it didn?t work. It appends in the existing worksheets but doesn? t delete the existing datas. Any idea? ----- Anna Lippel new in R so be careful I should be asking a loooooooot of questions!:teeth: -- View this message in context: http://old.nabble.com/Problem-with-sqlSave-tp26421303p26421303.html Sent from the R help mailing list archive at Nabble.com.