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Create NCI GDC filters for limiting GDC query results — make_filter • GenomicDataCommons

Searching the NCI GDC allows for complex filtering based on logical operations and simple comparisons. This function facilitates writing such filter expressions in R-like syntax with R code evaluation.

Usage
make_filter(expr, available_fields)
Arguments
expr

a lazy-wrapped expression or a formula RHS equivalent

available_fields

a character vector of the additional names that will be injected into the filter evaluation environment

Value

a list that represents an R version of the JSON that will ultimately be used in an NCI GDC search or other query.

Details

If used with available_fields, "bare" fields that are named in the available_fields character vector can be used in the filter expression without quotes.


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