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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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14
Task/CSV-data-manipulation/Clojure/csv-data-manipulation-1.clj Normal file
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(require '[clojure.data.csv :as csv]
'[clojure.java.io :as io])
(defn add-sum-column [coll]
(let [titles (first coll)
values (rest coll)]
(cons (conj titles "SUM")
(map #(conj % (reduce + (map read-string %))) values))))
(with-open [in-file (io/reader "test_in.csv")]
(doall
(let [out-data (add-sum-column (csv/read-csv in-file))]
(with-open [out-file (io/writer "test_out.csv")]
(csv/write-csv out-file out-data)))))

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Task/CSV-data-manipulation/Clojure/csv-data-manipulation-2.clj Normal file
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(require '[tech.v3.dataset :as ds]
'[tech.v3.datatype.functional :as dfn])
(defn add-sum
[dataframe]
(assoc dataframe
"SUM"
(apply dfn/+ (map dataframe (ds/column-names dataframe)))))
(ds/write! (add-sum (ds/->dataset "resources/input.csv")) "resources/output.csv")