 Dear list,
 
 I have following data set, which I want to plot the "Scale" variable on the 
 x-axis and "Mean"´on the y-axis for each Ageclass and for each sex. The Mean
 value of each Ageclass for each sex would be connected by a line. Totally,
 there should be 6 lines, from which three present the Mean values of each
 Ageclass for respective sex. Are there any easy ways to do this in R?
 
 
 Ageclass Scale     Mean    Sex
1     21-40    BP 40.26667 female
2     41-60    BP 34.10714 female
3     61-79    BP 37.30000 female
4     21-40    GH 30.25000 female
5     41-60    GH 39.00926 female
6     61-79    GH 49.30000 female
7     21-40    MH 56.53333 female
8     41-60    MH 62.42857 female
9     61-79    MH 72.72727 female
10    21-40    PF 25.86111 female
11    41-60    PF 42.42063 female
12    61-79    PF 52.17172 female
13    21-40    RE 38.09524 female
14    41-60    RE 42.85714 female
15    61-79    RE 42.42424 female
16    21-40    RP 20.00000 female
17    41-60    RP 25.89286 female
18    61-79    RP 15.90909 female
19    21-40    SF 51.66667 female
20    41-60    SF 63.88889 female
21    61-79    SF 57.95455 female
22    21-40    VT 32.11111 female
23    41-60    VT 36.96429 female
24    61-79    VT 33.18182 female
25    21-40    BP 35.00000   male
26    41-60    BP 37.75000   male
27    61-79    BP 36.00000   male
28    21-40    GH 42.16667   male
29    41-60    GH 41.89062   male
30    61-79    GH 41.40000   male
31    21-40    MH 72.00000   male
32    41-60    MH 66.60417   male
33    61-79    MH 75.20000   male
34    21-40    PF 41.85185   male
35    41-60    PF 55.31250   male
36    61-79    PF 47.00000   male
37    21-40    RE 37.03704   male
38    41-60    RE 54.16667   male
39    61-79    RE 46.66667   male
40    21-40    RP 27.77778   male
41    41-60    RP 28.12500   male
42    61-79    RP 20.00000   male
43    21-40    SF 61.11111   male
44    41-60    SF 66.40625   male
45    61-79    SF 60.00000   male
46    21-40    VT 38.88889   male
47    41-60    VT 30.93750   male
48    61-79    VT 42.00000   male
  Thanks for any help,
Tom

       
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