Function reference • mudata2

Create mudata objects Create mudata objects from existing tables
`mudata()`	Create a mudata object
`parallel_gather()`	Melt multiple sets of columns in parallel
Inspect mudata objects Inspect the contents of mudata objects
`distinct_params()` `distinct_locations()` `distinct_datasets()` `distinct_columns()` `src_tbls(<mudata>)`	Get distinct params, locations, and datasets from a mudata object
`print(<mudata>)` `summary(<mudata>)`	Print a mudata object
Subset and extract componets from mudata objects Filter, subset, and extract components from mudata objects
`tbl_data()` `tbl_data_wide()` `tbl_params()` `tbl_locations()` `tbl_datasets()` `tbl_columns()` `tbl_columns()` `tbl(<mudata>)` `x_columns()`	Access components of a mudata object
`filter_datasets()` `filter_data()` `filter_locations()` `filter_params()`	Subset a mudata object by complex expression
`select_datasets()` `select_locations()` `select_params()`	Subset a mudata object by identifier
`subset(<mudata>)`	Subset a MuData object
Modify mudata objects Update the contents of a mudata object
`mutate_data()` `mutate_params()` `mutate_locations()` `mutate_datasets()` `mutate_columns()` `mutate_tbl()`	Modify mudata tables
`rename_locations()` `rename_params()` `rename_datasets()` `rename_columns()`	Rename identifiers in a mudata object
`update_columns_table()`	Update the columns table
`update_datasets()` `update_locations()` `update_params()` `update_columns()`	Add documentation to mudata objects
`rbind(<mudata>)`	Combine mudata objects
Read and write mudata objects Read and write mudata objects from JSON, ZIP, and CSV
`write_mudata()` `read_mudata()` `write_mudata_zip()` `read_mudata_zip()` `write_mudata_dir()` `read_mudata_dir()` `write_mudata_json()` `to_mudata_json()` `read_mudata_json()` `from_mudata_json()`	Read/Write mudata objects
Example datasets Datasets with which to test and illustrate the mudata format
`alta_lake`	Alta Lake Gravity Core Data
`long_lake`	Long Lake Lake Gravity/Percussion Core Data
`ns_climate`	Nova Scotia Long-Term Climate Data
`pocmaj`	Pockwock Lake/Lake Major Elemental Sample Data
`pocmajsum`	Pre-summarised Sample Data
`second_lake_temp`	Second Lake Thermistor String Data
`kentvillegreenwood`	Kentville/Greenwood Climate Data
Low-level read/write details Nitty-gritty details for reading and writing mudata objects
`update_columns_table()`	Update the columns table
`mudata_prepare_column()` `mudata_prepare_tbl()` `mudata_parse_column()` `mudata_parse_tbl()`	Prepare mudata table columns for writing
S3 details for mudata objects Inspect object details for mudata objects
`as_mudata()` `as.mudata()`	Coerce objects to mudata
`is_mudata()` `is.mudata()`	Test if an object is a mudata object
`new_mudata()` `validate_mudata()`	Validate, create a mudata object

Reference

Create mudata objects

Inspect mudata objects

Subset and extract componets from mudata objects

Modify mudata objects

Read and write mudata objects

Example datasets

Low-level read/write details

S3 details for mudata objects

Contents