Dear all,
   
  I wonder how to get  an  horizontal   label for the y axis in the plot function. I have looked at par and many function but didn't find it.
  more specifically , let:
   
  df <- data.frame(cbind(1:10, 11:20))
  names(df) <- c("y","x")
   
  plot(y ~ x, data = df, ylab = "dependent")
   
  how to ask R to have the label "independent" in an horizontal form?
   
   
  I have another question concerning the xyplot:
   
  Suppose that I have made an xyplot with 4 panels defined by one factor variable. How may I have a blank space between the four panels?
   
   
   
  Thank you,
   
  Bernard,
   
   
   
   

 		
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