import org.apache.spark.sql.functions._ val toInt = udf[Int, String]( _.toInt) val toDouble = udf[Double, String]( _.toDouble) val toHour = udf((t: String) => "%04d".format(t.toInt).take(2).toInt ) val days_since_nearest_holidays = udf( (year:String, month:String, dayO...
DataFrame.org$apache$spark$sql$DataFrame$$collect(DataFrame.scala:1506) at org.apache.spark.sql.DataFrame$$anonfun$head$1.apply(DataFrame.scala:1376) at org.apache.spark.sql.DataFrame$$anonfun$head$1.apply(DataFrame.scala:1375) at org.apache.spark.sql.DataFrame.withCallback(DataFrame.scala:2100...
How do I package a Spark Scala script with SBT for use on an Amazon Elastic MapReduce (EMR) cluster?Frank Kane
In this example, we are creating one Option variable and assigning it a value 100 by using Some class in scala. After this we are using the getOrElse method get the value of the variable. But here we have initialized some value to the variable so the output will be 100 here. If we ...
val sc = new SparkContext(conf) The next step is to create a collection object. Let’s see some commonly used collections which can be parallelized to form RDD: Array:It is a special type of collection in Scala. It is of fixed size and can store elements of same type. The values sto...
Tool to convert spark-submit to StartJobRun EMR on EKS API Submit EMR Job remotely [Workflow] Orchestrate an Amazon EMR on Amazon EKS Spark job with AWS Step Functions [Install and Delopyment] How can I permanently install a Spark or Scala-based library on an Amazon EMR cluster EMR_On_...
Linguistic Inquiry Word Count (LIWC) (Tausczik and Pennebaker, 2010): A lexicon of words and word stems grouped into over 125 categories reflecting emotions, social processes, and basic functions, among others. The LIWC lexicon is based on the premise that the words people use to communicate ...
This project is just an example, containing severalHive User Defined Functions(UDFs), for use in Apache Spark. It's intended to demonstrate how to build a Hive UDF in Scala or Java and use it withinApache Spark. Why use a Hive UDF?
Scala中的對等語法如下: Java // To select a preferred list of regions in a multi-region Azure Cosmos DB account, add option("spark.cosmos.preferredRegions", "<Region1>,<Region2>")val df_olap = spark.read.format("cosmos.olap"). option("spark.synapse.linkedService","<enter l...
Use the following command to verify the installeddependencies: java -version; javac -version; scala -version; git --version The output displays the OpenJDK, Scala, and Git versions. Download Apache Spark on Ubuntu You can download the latest version of Spark from theApache website. For this...