tech.ml.dataset.readers
dataset->column-readersclj
(dataset->column-readers dataset)(dataset->column-readers
dataset
{:keys [missing-nil?] :or {missing-nil? true} :as _options})Create a list of object column readers. Packed datatypes will be unpacked.
options - :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
Create a list of object column readers. Packed datatypes will be unpacked. options - :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
mapseq-readerclj
(mapseq-reader dataset)(mapseq-reader dataset options)Return a reader that produces a map of column-name->column-value
Options: :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
Return a reader that produces a map of column-name->column-value Options: :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
value-readerclj
(value-reader dataset)(value-reader dataset options)Return a reader that produces a reader of column values per index. Options: :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
Return a reader that produces a reader of column values per index. Options: :missing-nil? - Default to true - Substitute nil in for missing values to make missing value detection downstream to be column datatype independent.
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