How to assign the result of the previous expression to a variable?

How to assign the result of the previous expression to a variable?

r return-value interactive built-in

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Interactive plotting with R raster: values on mouseover

r plot mouseover interactive r-raster

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Plot zoom and locator in RStudio

r plot rstudio interactive

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Use main function in R

r main interactive

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Put a fixed title in an interactive 3D plot using rgl package, R

r plot title interactive rgl

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Which R functions are not suitable for programmatic use?

r interactive

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Extracting the exact coordinates of a mouse click in an interactive plot

r ggplot2 shiny plotly interactive

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