SparseplusLowRank-class | R Documentation |
"SparseplusLowRank"
A structured matrix made up of a sparse part plus a low-rank part, all which can be stored and operated on efficiently.
Objects can be created by calls of the form
new("SparseplusLowRank", ...)
or by a call to splr
Object of class "sparseMatrix"
Object of class "matrix"
Object of class "matrix"
%*%
signature(x = "ANY", y = "SparseplusLowRank")
: ...
%*%
signature(x = "SparseplusLowRank", y = "ANY")
: ...
%*%
signature(x = "Matrix", y = "SparseplusLowRank")
: ...
%*%
signature(x = "SparseplusLowRank", y = "Matrix")
: ...
as.matrix
signature(x = "SparseplusLowRank")
: ...
colMeans
signature(x = "SparseplusLowRank")
: ...
colSums
signature(x = "SparseplusLowRank")
: ...
dim
signature(x = "SparseplusLowRank")
: ...
norm
signature(x = "SparseplusLowRank", type = "character")
: ...
rowMeans
signature(x = "SparseplusLowRank")
: ...
rowSums
signature(x = "SparseplusLowRank")
: ...
svd.als
signature(x = "SparseplusLowRank")
: ...
Trevor Hastie and Rahul Mazumder
softImpute
,splr
showClass("SparseplusLowRank")
x=matrix(sample(c(3,0),15,replace=TRUE),5,3)
x=as(x,"sparseMatrix")
a=matrix(rnorm(10),5,2)
b=matrix(rnorm(6),3,2)
new("SparseplusLowRank",x=x,a=a,b=b)
splr(x,a,b)
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