Failed to connect to https://changelogs.ubuntu.com/meta-release-develpment. Check you Internet connection or proxy settings

Failed to connect to https://changelogs.ubuntu.com/meta-release-development. Check your Internet connection or proxy settings. when i try to update ubuntu server 18.04 it gives me this error i have tried to remove /var/lib/ubuntu-release-upgrader/release-upgrade-available but im still getting the same error

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Arsenal summary stats include thousand separator in R

i have the following dummy data.frame for which I’d like to create a summary using tableby require(arsenal) set.seed(12345) df<-data.frame(var1=floor(runif(10,1000000,5000000)), var2=floor(runif(10,2500000,1000000000)), group=rep(c(“A”,”B”),5)) desTab<-tableby(group~., data = df) summary(desTab, digits = 0) The output does not include any separators for the thousands ( “.” ). This makes it rather unreadable. How can I change it? I played with…

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