[R] add arrows to barchart with groups

2007-04-27 Thread GOUACHE David
Hello Rhelpers, I am trying to represent the following data (hereafter named donnees) in a barchart with a grouping variable : sitetraitement dates res 1 NT 17/10/2005 normal 76.2 1 T 17/10/2005 normal 103.2 1 NT 23/11/2005

Re: [R] add arrows to barchart with groups

2007-04-27 Thread Deepayan Sarkar
On 4/27/07, GOUACHE David [EMAIL PROTECTED] wrote: Hello Rhelpers, I am trying to represent the following data (hereafter named donnees) in a barchart with a grouping variable : sitetraitement dates res 1 NT 17/10/2005 normal 76.2 1 T