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I have a text document containing three columns. One column is "sex", and each value is either "M" or "F". The other two columns contain numerical data (my explanatory variable and response variable).

I want to create a Scatterplot in R where the point will look different for males than for females. I don't know how to do this.

nonremovable
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    I'm voting to close this question as off-topic because it is a request for advice on coding in R. – Nick Cox Mar 01 '15 at 00:10
  • You need a small reproducible example - a small set of data in R that you call `dput` on so that people attempting an answer can make the same data. In `plot`, the `col` argument gives different colors, the `pch` argument can get different symbols (including letters). – Glen_b Mar 01 '15 at 01:04
  • Here's an example that uses both color and symbols `plot(Sepal.Length~Sepal.Width,iris,col=Species,pch=as.numeric(Species))` and heres one with color and letters `plot(Sepal.Length~Sepal.Width,iris,col=Species,pch=as.character(Species))` (but it's not so successful, since two species start with 'v') – Glen_b Mar 01 '15 at 01:13

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