[R] help changing the size of labels in a dendrogram plot

I am having trouble changing the size of labels when plotting a dendrogram created from hclust, I want to do it this way so I can use the 'horiz=TRUE' option in a dendrogram plot and rotate my chart. Can anyone help either to tell my how to rotate a plot of an hclust object or to change the

[R] Customizing Cluster Analysis plots created with hclust

I am trying to cluster stock prices through time using hclust. To help with the interpretation of the output I would like to change the colour of the lines and the labels based on which sector a stock is in. Is it possible to customize a plot of the output of hclust in this way? Any help much

[R] help with win.print

I am trying to batch the printing of some graphs using win.print when I leave the printer option blank it prompts me for a printer each time and then works fine when I put the printer name in however using the following code I get the error below. Does the printer need to be locally installed

[R] Using RExcel addin with version 1.9.1

I have just upgraded from version 1.8.1 to 1.9.1 to allow me to use the Rmetrics functions. However the RExcel addin from the (D) COM Server I used before seems to have stopped working with the error message Could not Start R followed by Installation Problem: unable to load connector can