Fluid Data Transformations


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Documentation for package ‘cdata’ version 1.2.0

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%**% Multiply/join row records into block records.
%//% Factor-out (aggregate/project) block records into row records.
blocks_to_rowrecs Map data records from block records to row records.
blocks_to_rowrecs.default Map data records from block records to row records.
blocks_to_rowrecs.relop Map data records from block records to row records.
blocks_to_rowrecs_spec Create a block records to row records transform specification.
build_pivot_control Build a blocks_to_rowrecs()/rowrecs_to_blocks() control table that specifies a pivot from a 'data.frame'.
build_pivot_control.default Build a blocks_to_rowrecs()/rowrecs_to_blocks() control table that specifies a pivot from a 'data.frame'.
build_pivot_control.relop Build a blocks_to_rowrecs()/rowrecs_to_blocks() control table that specifies a pivot from a 'data.frame'.
build_unpivot_control Build a rowrecs_to_blocks() control table that specifies a un-pivot (or "shred").
cdata 'cdata': Fluid Data Transformations.
convert_cdata_spec_to_yaml Convert a layout_specification, blocks_to_rowrecs_spec, or rowrecs_to_blocks_spec to a simple object.
convert_records General transform from arbitrary record shape to arbitrary record shape.
convert_yaml_to_cdata_spec Read a cdata record transform from a simple object (such as is imported from YAML).
layout_by Use transform spec to layout data.
layout_by.blocks_to_rowrecs_spec Use transform spec to layout data.
layout_by.cdata_general_transform_spec Use transform spec to layout data.
layout_by.rowrecs_to_blocks_spec Use transform spec to layout data.
layout_specification Create a record to record spec.
layout_to_blocks Map a data records from row records to block records with one record row per columnsToTakeFrom value.
layout_to_rowrecs Map data records from block records that have one row per measurement value to row records.
map_fields Map field values from one column into new derived columns (takes a 'data.frame').
map_fields_q Map field values from one column into new derived columns (query based, takes name of table).
pivot_to_blocks Map a data records from row records to block records with one record row per columnsToTakeFrom value.
pivot_to_rowrecs Map data records from block records that have one row per measurement value to row records.
rowrecs_to_blocks Map a data records from row records to block records.
rowrecs_to_blocks.default Map a data records from row records to block records.
rowrecs_to_blocks.relop Map a data records from row records to block records.
rowrecs_to_blocks_spec Create a row records to block records transform specification.
unpivot_to_blocks Map a data records from row records to block records with one record row per columnsToTakeFrom value.
unpivot_to_blocks.default Map a data records from row records to block records with one record row per columnsToTakeFrom value.
unpivot_to_blocks.relop Map a data records from row records to block records with one record row per columnsToTakeFrom value.