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...rything after the first "^" is considered as a power, whereas I would like to have only the + and the -1 as a power. Is there a way to obtain what I want? somehow to split up the expression so I don't get everything put at the power of NH4. I already thank you guys for your help!!! Thomthom -- View this message in context: http://r.789695.n4.nabble.com/expression-and-axis-labels-tp3672050p3672050.html Sent from the R help mailing list archive at Nabble.com.

Hi R-helpers! Here is my problem: I have a graph with 3 different facets where there are 3 different regression line. My goal is to mention separately in each facet each equation that describes my lines. So far, I managed to add a line and the same equation to all my facets but that's not unfortunately what I want. Is there a way to do that? Any suggestion would be gladly welcome! Thanks

Hi R helpers! I have a question. I'm trying to create a function for an exercise. Here are the arguments I should include: x and y are numeric z is a name ("plus","minus","multiply","divide") and swap is logical. Here is what the function should do: When z="plus", then x+y is performed and so on for the other z names. It should give a NA

Hi everyone, I'm trying to create a scatterplot (with ggplot2) with different groups and a faceting (see code below... much clearer I think) But when I want to change the color label to something else using the scale_colour_manual function (based on http://had.co.nz/ggplot2/scale_manual.html), it seems impossible to get what I want. Instead I receive a nice error message. But the code will