I have a 3d array like this
datamonth <- array(0, dim = c(length(LONG),length(LATG),length(YEAR)))
>dim(datamonth)
[1] 361 181 30
前两个维度是经度和纬度(我有一个1度间隔的网格)。我的目标是计算每个网格点的datamonth的平均值,例如:
Cell 1
LON -180 -179
LAT -90 -89
year 1: MeanCell1_yr
year 2: MeanCell1_yr .
.
.
year 30: MeanCell1_yr
MeanCell1TOT = mean(MeanCell1_yr)
非常感谢
apply(datamonth, c(1,2), mean)
这样的东西可能可以检查一下? - alexis_laz