as_zarr: Convert an R object into a Zarr array

In zarr: Native and Extensible R Driver for 'Zarr'

Convert an R object into a Zarr array

Description

This function creates a Zarr object from an R vector, matrix or array. Default settings will be taken from the R object (data type, shape). Data is chunked into chunks of length 100 (or less if the array is smaller) and compressed.

Usage

as_zarr(x, name = NULL, location = NULL)

Arguments

x	The R object to convert. Must be a vector, matrix or array of a numeric or logical type.
name	Optional. The name of the Zarr array to be created.
location	Optional. If supplied, either an existing zarr_group in a Zarr object, or a character string giving the location on a local file system where to persist the data. If the argument is a zarr_group, argument name must be provided. If the argument gives the location for a new Zarr store then the location must be writable by the calling code. As per the Zarr specification, it is recommended to use a location that ends in ".zarr" when providing a location for a new store. If argument name is given then the Zarr array will be created in the root of the Zarr store with that name. If the name argument is not given, a single-array Zarr store will be created. If the location argument is not given, a Zarr object is created in memory.

Value

If the location argument is a zarr_group, the new Zarr array is returned. Otherwise, the Zarr object that is newly created and which contains the Zarr array, or an error if the Zarr object could not be created.

Examples

x <- array(1:400, c(5, 20, 4))
z <- as_zarr(x)
z

zarr documentation built on Feb. 11, 2026, 5:07 p.m.