search for: statisticalmodelling

Do you know what steps I need to take to add a scale to a plot? I'm pulling my example out of "An Introduction to R: Software for StatisticalModelling & Computing" (see the R code around Figure 76). I would like to add a scale to the image produced by the following code.? I would like to the scale to list the distance?and units:? data(volcano) x <- 10*(1:nrow(volcano)) y <- 10*(1:ncol(volcano)) image(x, y, volcano,col = terrain...

...ing stacked histograms.  I would like the "staked" histogram values to show age.   Thanks for any feedback and insight that can be provided.   * Amongst many others, thanks to : (1) Statistics with R, Vincent Zoonekynd, <zoonek@math.jussieu.fr> (2) An Introduction to R: Software for StatisticalModelling & Computing [[alternative HTML version deleted]]

Hi all, I am trying to use GAM to work on some data... Are there any resources providing hands-on tutorial/guide on how to do GAM on data in R? Specifically, I am not sure about which model to choose, and smooth models with which effective degree-of-freedom shall I use... I knew there is a book titled: GAM: an introduction using R. Unfornately our local library does not have it... so that's

????? The ":::" operator doesn't work for me with "Ecdat:::Crime" on either macOS 10.15.3 or Windows 10. ????? A different but related issue is that "plm::Crime" says "Error: 'Crime' is not an exported object from 'namespace:plm'", even though "library(plm); data(Crime); Crime" works.? I would naively think a user should