Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/14368#discussion_r72310952 --- Diff: examples/src/main/r/RSparkSQLExample.R --- @@ -18,31 +18,43 @@ library(SparkR) # $example on:init_session$ -sparkR.session(appName = "MyApp", sparkConfig = list(spark.executor.memory = "1g")) +sparkR.session(appName = "MyApp", sparkConfig = list(spark.some.config.option = "some-value")) # $example off:init_session$ -# $example on:create_DataFrames$ +# $example on:create_df$ df <- read.json("examples/src/main/resources/people.json") # Displays the content of the DataFrame head(df) +## age name +## 1 NA Michael +## 2 30 Andy +## 3 19 Justin # Another method to print the first few rows and optionally truncate the printing of long values showDF(df) -# $example off:create_DataFrames$ +## +----+-------+ +## | age| name| +## +----+-------+ +## |null|Michael| --- End diff -- hmm.. this is correct? I think it says NA in R
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