source_data_columns: Find source data columns from a set of expressions
In md0u80c9/SSNAPStats: Stroke Sentinel National Audit Project (SSNAP) Statistics Calculations
Description
Usage
Arguments
Details
Value
View source: R/source_data_columns.R
Description
This function analyses a list of expressions, and aims to extract
all the field names of anything enclosed with
.data[["ColumnName"]]. When functional, this will be a
vital function for working out which CSV columns we need for any
given set of functions - currently we have to state this by hand
which is error-prone.
Usage
1
source_data_columns(exprs_list)
Arguments
exprs_list
A list of expressions that you want to extract
the column names from
Details
The current code needs optimising in order to practically help
improve query speed.
Value
A string vector of column names needed to produce all the
outputs in the expression list.
md0u80c9/SSNAPStats documentation built on Feb. 11, 2020, 11:43 a.m.
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Description Usage Arguments Details Value
View source: R/source_data_columns.R
Description
This function analyses a list of expressions, and aims to extract
all the field names of anything enclosed with
.data[["ColumnName"]]. When functional, this will be a
vital function for working out which CSV columns we need for any
given set of functions - currently we have to state this by hand
which is error-prone.
Usage
1 | source_data_columns(exprs_list)
|
Arguments
exprs_list |
A list of expressions that you want to extract the column names from |
Details
The current code needs optimising in order to practically help improve query speed.
Value
A string vector of column names needed to produce all the outputs in the expression list.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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