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DATE: 2020-06-10
AUTHOR: John L. Godlee
I've been involved in improving the data cleaning process for the SEOSAW[1] database. I created an R package with a load of data cleaning functions and designed a workflow for ingesting new data into the database. Today I faffed around for a while making a flow diagram to keep track of all the functions.
I opted for a nested function design. At the bottom end there are many functions which do very simple things like check whether a particular column contains the correct factor levels (e.g. diam()). These functions are the nested within a function which checks all of the column contents in a dataset which is to be ingested into the database (e.g. colValCheck()). At the top there are a small number of high level functions which perform the checking formatting and adding new columns all in one (e.g. stemTableGen()). I'm not sure whether this is overly complicated or not, but to me it seems reasonably intuitive, made easier with some good documentation. It also affords the user a lot of flexibility in how they construct their workflow.
The idea is the diagram will be hosted on the SEOSAW website along with a vignette and the package manual, as well as on the Bitbucket repository for the SEOSAW dataset, so that users can use it as a quick reference when cleaning their own data, either for inclusion into the SEOSAW database, or for comparing their own data with the SEOSAW repository.
