I have plotted the dataset below into a stripchart, which gives me the correct graph. However, my x-axis labels are to long to display hortizonal. I would like to display the labels at a 45 degree angle so that all of the labels are displayed. I have used the following text+par code on other graphs and it seems to work fine, but it does not seem to be working on here. I notice when I output the graph to the dataset "mp" then it's value is NULL. Is the stripchart design to be outputted like other graphs?  What is the correct syntax to change the position of the x-axis?

library(lattice)
par(mar = c(7, 4, 4, 2) + .9)

mp<-stripchart(InitialScore+FinalScore ~ Scale,data=mpi, vertical=TRUE, method="jitter",pch=1:11,col=1:11,  ylab="Scale (0-100)")
 axis(1, at = mp, labels = FALSE)
 text(mp,par("usr")[3] - 0.5,srt = 45, adj = 1.1,labels = mpi$Scale,xpd = TRUE)
Error in text.default(mp, par("usr")[3] - 0.5, srt = 45, adj = 1.1, labels = mpi$Scale,  :
  'x' and 'y' lengths differ in text()

Dataset:
Scale

InitialScore

FinalScore

1-Pain Severity

75

33

2-Interference

63

35

3-Life Control

20

40

4-AffectiveDistress

65

60

5-Support

33

60

6-Punishing Responses

40

20

7-Solicitous Responses

74

84

8-Distracting Responses

40

90

9-GeneralActivity

20

75

10-Dysfunctional

71

40

11-Interpersonal Distress

60

25



Chris Anderson
Data Analyst
Medical Affairs
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cell: 707-315-8486
Fax:925-677-4670





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