Hello, I just started  to learn R and ggplot2. Can someone help?

How to plot two data sets having different maximum X-axis values in a
single plot?

For example, I have two data sets showed below. Using position as X, and
count as Y, how can I plot them out in different color lines within a
single plot using ggplot2 geom_line?



dataset a:

position count

1    3

2    9

3    10

4    15

5    19

6    28

7    15

8    13

9    11

10    5



dataset b:

position count

1    4

2    8

3    16

4    17

5    19

6    10



Thanks a lot!




Jim

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