Re: [R] [R-sig-Geo] averaging X of specific Y (latitude)

Hi! Is it a data frame, please? Have you tried the "table" function or "cut" function? Sincerely, Erin From: r-sig-geo-boun...@r-project.org [r-sig-geo-boun...@r-project.org] on behalf of Elaine Kuo [elaine.kuo...@gmail.com] Sent: Saturday, December 15,

Re: [R] [R-sig-Geo] averaging X of specific Y (latitude)

Hello, Yes, it is a data frame. This is the first time to hear "table" function or "cut" function. Please kindly point out how to use them. By the way, if the dataset (data frame) includes more than 2000 kinds of butterfly range sizes and the latitude of range midpoints, please kindly help with