| suitabinput {soilassessment} | R Documentation |
Sample grid stack map of nutrient indicators for crop fertility requirements
Description
A grid stack map of nine variables for assessing crop suitabilities
Usage
data("suitabinput")Format
The format is: Formal class 'SpatialGridDataFrame' [package "sp"] with 4 slots ..@ data :'data.frame': 16900 obs. of 12 variables: .. ..$ cac03 : num [1:16900] 21.8 20.6 21.2 22 22.3 ... .. ..$ ec : num [1:16900] 2.5 2.38 2.15 2.36 2.24 ... .. ..$ depthcodes: num [1:16900] 3 1 3 3 3 3 3 3 1 1 ... .. ..$ rain : num [1:16900] 282 279 260 279 276 ... .. ..$ texture : int [1:16900] 5 5 5 5 5 5 5 5 11 11 ... .. ..$ dem : num [1:16900] 489 489 489 485 487 ... .. ..$ drainage : int [1:16900] 2 5 2 2 2 5 7 5 5 5 ... .. ..$ stones : num [1:16900] 6 9 6 6 6 6 6 9 9 9 ... .. ..$ structure : int [1:16900] 3 8 7 5 5 5 7 5 9 9 ... .. ..$ ph : num [1:16900] 8.76 8.83 8.73 8.71 8.69 ... .. ..$ slope : num [1:16900] 0.969 0.969 0.969 0.969 0.969 ... .. ..$ texture1 : Factor w/ 3 levels "Lo","SaLo","SiLo": 2 2 ... ..@ grid :Formal class 'GridTopology' [package "sp"] with 3 slots .. .. ..@ cellcentre.offset: Named num [1:2] 383216 3341506 .. .. .. ..- attr(*, "names")= chr [1:2] "x" "y" .. .. ..@ cellsize : num [1:2] 357 357 .. .. ..@ cells.dim : int [1:2] 130 130 ..@ bbox : num [1:2, 1:2] 383038 3341327 429478 3387767 .. ..- attr(*, "dimnames")=List of 2 .. .. ..$ : chr [1:2] "x" "y" .. .. ..$ : chr [1:2] "min" "max" ..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slot .. .. ..@ projargs: chr "+proj=utm +zone=41 +datum=WGS84 +units=m +no_defs"
Examples
data(suitabinput)
summary(suitabinput$depthcodes)
hist(suitabinput$dem)