Plotting math in R can be acheived using the expression(). To know detailed usage, in R console,demo(plotmath)But expression() is not flexible when you want to plot math symbols and parameters altogether. In this case, we use bquote() which is actually a wraper for substitute() and quote(). It has the ability to do paste() and expression() altogether. Here is a simple example.k <- 2plot(1, main

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**Tags:** graphics, R