[R] NA rows appeared in data.frame

Dear All, After replacing some values in a data.frame, NAs rows have appeared and cannot be removed. I have googled these issues and found that several people have encountered it. Solutions in stackoverflow seem to provide work-arounds but does not remove it from the data.frame. Therefore, I am tu

Re: [R] NA rows appeared in data.frame

a(t1$Petal.Width),] > > Cheers > Petr > > > -Original Message- > > From: R-help On Behalf Of Rui Barradas > > Sent: Saturday, January 12, 2019 12:55 PM > > To: Ernest Han ; r-help@r-project.org > > Subject: Re: [R] NA rows appeared in dat