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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/10/20 21:45:35 UTC

[GitHub] [arrow-cookbook] stephhazlitt commented on a diff in pull request #159: [R] Initial datasets content

stephhazlitt commented on code in PR #159:
URL: https://github.com/apache/arrow-cookbook/pull/159#discussion_r1001147754


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r/content/datasets.Rmd:
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+<!---
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+
+# Manipulating Data - Datasets
+
+## Introduction
+
+While Arrow allows you to work with single files imported as Arrow Tables, you can 
+also work with multi-files imported as an Arrow Dataset.  Partitioning allows you to split data across 
+multiple files/folders, avoiding problems associated with storing all your data in a single file.  This can provide 
+further advantages when using Arrow, as Arrow will only 
+read in the necessary partitioned files needed for any given analysis.
+
+It's possible to read in partitioned data in Parquet, Feather (aka Arrow), and CSV (or 

Review Comment:
   I think this is the way to go given the thread, good catch. I think we should open a separate ticket and review + update the feather/arrow/arrow-ipc naming in the R package and the corresponding documentation.
   
   https://arrow.apache.org/docs/r/reference/write_feather.html



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