d_map: Apply an elementwise transformation lazily
In delarr: Lazy Delayed Arrays with Fused Execution
d_map R Documentation
Apply an elementwise transformation lazily
Description
Apply an elementwise transformation lazily
Usage
d_map(x, f)
Arguments
x
A delarr.
f
A function or formula suitable for rlang::as_function().
Value
A delarr representing the transformation.
Examples
mat <- matrix(1:12, nrow = 3, ncol = 4)
darr <- delarr(mat)
# Apply elementwise transformation with formula
squared <- darr |> d_map(~ .x^2) |> collect()
squared
# Apply with function
logged <- darr |> d_map(log1p) |> collect()
logged
delarr documentation built on July 1, 2026, 1:06 a.m.
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| d_map | R Documentation |
Apply an elementwise transformation lazily
Description
Apply an elementwise transformation lazily
Usage
d_map(x, f)
Arguments
x |
A |
f |
A function or formula suitable for |
Value
A delarr representing the transformation.
Examples
mat <- matrix(1:12, nrow = 3, ncol = 4)
darr <- delarr(mat)
# Apply elementwise transformation with formula
squared <- darr |> d_map(~ .x^2) |> collect()
squared
# Apply with function
logged <- darr |> d_map(log1p) |> collect()
logged
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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