ex.nc [1] "file cruncep_tair_2010.nc has 4 dimensions:" [1] "longitude Size: 720" [1] "latitude Size: 360" [1] "time Size: 1460" [1] "points_terre Size: 62482" [1] "------------------------" [1] "file cruncep_tair_2010.nc has 4 variables:" [1] "int mask[longitude,latitude] Longname:mask Missval:NA" [1] "short indice_ligne[points_terre] Longname:indice_ligne Missval:NA" [1] "short indice_col[points_terre] Longname:indice_col Missval:NA" [1] "float Temperature[longitude,latitude,time] Longname:Temperature Missval:1e+30" these are the information of my file. How can I display the temperature variable and manipulation it;I wanna convert from hourly to daily.any help!!! -- View this message in context: http://r.789695.n4.nabble.com/var-tp4477613p4477613.html Sent from the R help mailing list archive at Nabble.com.