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Michel Lemay

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1498.57 (3,841,771st) 		Reputation
1,249 (128,093rd)
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Title Δ
Pyspark - Aggregate all columns of a dataframe at once -4.13
How to increase the "memory total" that display on Yarn UI? +3.78
How to change column of array to separate columns in spark scala? 0.00
Converting a dataframe to an array of struct of column names and va... -3.69
Retrieving nested column in python spark dataframe -0.00
How to compare two tables and replace nulls with values from other... 0.00
Sorted hive tables sorting again after union in spark 0.00
how to avaoid circular dependency exception in spark scala and make... 0.00
Pass opt arguments in an application executed as a .jar through spa... 0.00
Spark-Not submitting jobs to nodes in cluster 0.00
How to manage huge data in machine learning with AWS AMI 0.00
Scheduling output exporting from HDFS to S3 0.00
Optimize Spark job that has to calculate each to each entry similar... -1.86
Optimize Spark job that has to calculate each to each entry similar... +2.14
Overwrite S3 files using Spark -0.35
How to execute an action before start()? 0.00
How to save as text a data frame with it's header? 0.00
How to (equally) partition array-data in spark dataframe 0.00
Using Saved Spark Model to Evaluate New Data -0.14
Spark Dataframes are getting created successfully but not able to w... -0.12
How to create an optional instance of a case class? +4.10
sbt unresolved dependency for spark streaming Kafka integration 0.00
Spark- How to merge two fields(string type) of a DataFrame's co... +4.55
Spark shell not executing 'Initial job has not accepted any res... 0.00
Best Practice for properties in ScalaSpark +1.79
Running Spark on Yarn, if I summit a application, which node it sch... 0.00
Can't convert Dataframe to Labeled Point 0.00
Cassandra & Spark: can I add an item to a row to create a dataf... 0.00
spray-json. How to get list of objects from json 0.00
How to handle date like 00000000(yyyyMMdd) in Dataframe scala? 0.00
Spark - org.apache.spark.sql.SQLContext(sc): bad symbolic reference +3.98
How to use LogisticRegressionWIthLBFGS with a Dataframe in Spark 0.00
How to convert a CSV string(RDD) to DataFrame in pySpark? 0.00
Does an ordered Map knows how to search efficiently for a key in Sc... 0.00
How to Re-partition pyspark dataframe? 0.00
Convert Spark DataFrame to Array / Map / List 0.00
pyspark dataframe filter on multiple columns -4.08
saving different parts of an rdd in different text files optimally -0.01
Weighted average with Spark Datasets without UDF 0.00
flatMap doesn't preserve order when creating lists from pyspark... +0.09
How do I write a dataset which contains only header (no rows) into... -3.84
Transpose operation on pyspark data frame using python 0.00
Spark Dataframe select column using case -2.05
A Function to rank the sequence of events based on transactions in... -0.29
Reading JSON files into Spark Dataset and adding columns from a sep... -1.97
Spark/Scala iterator unable to assign variables defined outside of... -3.46
Spark sql "Futures timed out after 300 seconds" when filt... 0.00
Spark streaming 1.6.0 - Executors bouncing 0.00
Spark unable to load custom log4j.properties from fat-jar resources 0.00
Spark resources not fully allocated on Amazon EMR +4.15