reynoldsm88 commented on issue #24199: [SPARK-27265][SQL] - convenience methods for accessing values by column name URL: https://github.com/apache/spark/pull/24199#issuecomment-476328052 @srowen It's 100% from the Spark book. I'm just going through and tinkering and trying to find places where the API is a little rough around the edges. Let me go back through the original data frame because I believe the underlying data structure is not a table where the user controls the schema, it's the result from the .describe() method, which may very well represent everything as Strings. I would have thought that it interpolated things correctly as numerical values, but maybe I was wrong.
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