Can't use MVN Package

In my console is :
Error: package or namespace load failed for ‘MVN’ in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
there is no package called ‘gsl’

What's wrong ? What should i do?

You are missing a package dependency, try installing it first


Do you get any error messages while doing so?

Thanks! It works when I install packages "gsl".

I wanna make a plot with contour, but i got this warning message \

data34=bkde2D(data[,3:4],bandwidth = sapply(data[,3:4],dpik))
Warning message:
In bkde2D(data[, 3:4], bandwidth = sapply(data[, 3:4], dpik)) :
Binning grid too coarse for current (small) bandwidth: consider increasing 'gridsize'

What should i do?

That is a different question, we like to keep things tidy around here so please ask it on a new topic providing a REPRoducible EXample (reprex) illustrating your issue.

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