This could be useful in the case where we want to add metadata for data.frames containing NAs.
One use case could be a dataframe containing hemibrain matches for catmaid skids. Some rows might not have a match, but it would be convenient just to get the metadata for all the valid rows without causing errors.
This could be useful in the case where we want to add metadata for data.frames containing NAs. One use case could be a dataframe containing hemibrain matches for catmaid skids. Some rows might not have a match, but it would be convenient just to get the metadata for all the valid rows without causing errors.