adding zstd to linux deps.

Author: cnuernber

deps.edn

@@ -80,6 +80,7 @@
                                                 com.fasterxml.jackson.core/jackson-annotations
                                                 com.fasterxml.jackson.core/jackson-databind
                                                 org.slf4j/slf4j-api]}
+    com.github.luben/zstd-jni {:mvn/version "1.5.4-1"}
     org.lz4/lz4-java {:mvn/version "1.8.0"}
     com.cnuernber/jarrow {:mvn/version "1.000"}
 

src/tech/v3/dataset/metamorph.clj

@@ -810,7 +810,9 @@ test/data/stocks.csv [10 3]:
 (defn probability-distributions->label-column
   "Given a dataset that has columns in which the column names describe labels and the
   rows describe a probability distribution, create a label column by taking the max
-  value in each row and assign column that row value."
+  value in each row and assign column that row value.
+  Creates a categorical label column which has a catgeorical map in its meta.
+  "
   ([dst-colname label-column-datatype]
   (tech.v3.dataset.metamorph-api/probability-distributions->label-column dst-colname label-column-datatype))
   ([dst-colname]