This is the official website of “Chiang Mai R”, an R useR group based in Chiang Mai, Thailand. The objective of the group is to bring together R users in Chiang Mai province. The group will be officially start in March 2013. Chiang Mai School of Economics will host the group. The group is organised by Pairach Piboonrungroj (who will be a lecturer at CMSE but currently a PhD candidate at Cardiff University, UK) and Dr Warattaya Chinnakum, who is also a lecturer at CMSE. Chiang Mai R is sponsored by Revolution Analytics.