Returns the IMPC dataset for a knockout line for a specified combination of parameter, procedure, pipeline,
phenotyping centre, allele and strain (genetic background)
that is used within the data analysis pipeline implemented on the IMPC database.
Returns the IMPC dataset as a data frame.
- metadata_group string a string indicating a group of experimental and control mice that have the same metadata (see also biological_sample_group)- metadata list of strings list showing all relevant metadata in effect when the data was collected