Hi R users
Here is an example of my data (only a small part)

Year Season	A_Time	 R_Time     O_Time     All_Time     AandR_Time
A_number   R_number    O_number    AandR_number    all_number
1999 Winter  9.590741 35.312963   42.759524  23.228431  18.164815
18        		9        		7             27
34
2000 Winter  9.899537 47.945000   59.744444  20.301333  18.170290
36       		10        		3             46
49
2001 Winter 12.861364 26.239583   52.350000  23.376068  16.428889
22      		 8        		8             30
38
2002 Winter 11.954902 40.245833   49.025000  19.294025  17.343651
34        	8        		6             42
48
2003 Winter  6.843750 43.753704   50.533333  16.873246  11.954359
56       		9       		10             65
75
2004 Winter  7.866216 25.808333   48.381481  16.628931  10.369767
37        		6       		 9             43
52
2005 Winter 11.225194 26.504762   31.432353  17.684804  13.364333
43        	7       		17           50       	  67
2006 Winter 11.080000 46.388889   23.820370  17.922414  16.964815
15       		3        		9             18
27
2007 Winter 12.461628 40.722727   25.557576  20.078788  18.218519
43       		11       		22           54
76

At the moment I am plotting (using barchart) the A_Time data grouped by
season then by year.  
Here is my code that does this.

barchart(A_Time ~ factor(Season), data= .summary_response, main =
plottitle1, xlab= "Season", ylab= "Time in Minutes", origin = 0, groups=
Year)

I want to add the A_number data to the plot that I have so far and I
want it as little line bars that match up to the bars already on the
graph with the axis for the A_number on the right side of the graph and
with a different scale.
Any help to do this is greatly appreciated.
Thanks in advance
Jacqueline

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