sp = SpatialPoints(coords)
str(sp)
## Formal class 'SpatialPoints' [package "sp"] with 3 slots
## ..@ coords : num [1:100, 1:2] -1.163 0.3609 -0.4343 -0.6074 -0.0481 ...
## .. ..- attr(*, "dimnames")=List of 2
## .. .. ..$ : NULL
## .. .. ..$ : chr [1:2] "x" "y"
## ..@ bbox : num [1:2, 1:2] -2.51 -2.42 2.29 2.87
## .. ..- 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 NA