StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

mtoto

Rating
1601.08 (1,732nd)

Reputation
16,420 (8,485th)

Page: 1 2 3 4 5 ... 9

Title	Δ
How to do GROUP BY on exploded field in Spark SQL's?	+0.39
Several regressions between a comon x and different yi for each lev...	-0.63
Apply predict() between data.frames within two lists	-2.28
How to use dplyr to find unique entries in the previous rows	-0.08
Spark Dataframe : Pivot with sorting	0.00
Pyspark: Filtering Dataframe based on number of null values per row	+0.35
Split time-series dataframe	0.00
How to explode array[string] field and group data for one pass	0.00
How to transfer list into str and expand each word to a row in Spar...	0.00
Pipe-lining / keyby of keyby of an RDD in pyspark(spark)	0.00
Dplyr: filter last entry for date in a series	+1.36
Create a dataframe from a hashmap with keys as column names and val...	+0.38
finding and stripping a symbol in PySpark RDD	0.00
R: ecdf with bars instead of line	0.00
Apache Spark Dataframe - Load data from nth line of a CSV file	0.00
R - Weighting by group size in bar charts	0.00
Dynamically copy dataframe columns with suffix in R	0.00
R - Normalising data of a matrix - Double for loop	0.00
How can we create multiple density plots in ggplot2 by keeping one...	0.00
How does ml.feature.StringIndexer and IndexToString work?	0.00
generate list where element xn = f(xn-1)	0.00
Merge RDD of (key,id) with RDD of (k1,k2)	-0.12
Add each element of an RDD to each element of another RDD in spark...	+0.89
Create monthly averages and then plot them using ggplot	0.00
How do I perform this type of cartesian product in spark 2.01	0.00
Creating indices for each group in Spark dataframe	0.00
How to apply "Sum(vi * ln(vi))" on each row of an RDD &qu...	0.00
Creating a square matrix whose elements is 1 with certain condition...	+1.36
Sum consecutive strings in multiple columns	-1.37
Function for Tidying Chisq.Test Output with Standard Evaluation	0.00
How to filter duplicate records having multiple key in Spark Datafr...	0.00
how to use spark intersection() by key or filter() with two RDD?	+1.57
Writing Spark functions that take Column arguments and return a Col...	-0.37
Boxplot of CSV data with ggplot2	0.00
Rank by gaps in data	+1.49
How to check if array column is inside another column array in pysp...	0.00
Train on Specificity	0.00
Specify unique levels when creating multiple factors	0.00
Strange behaviour dropping column from data.frame in R	-0.63
divide two DF count but getting 0 in spark	0.00
How to find max value Alphabet from DataFrame apache spark?	0.00
how to order spark RDD based on two columns	+0.38
xts - keep calculation of columns intact, even though some columns...	0.00
Using seq vectorwise	+1.55
How to update constant values on specific rows by group?	+1.79
R Confusion Matrix sensitivity and specificity labeling	0.00
Convert pyspark.sql.dataframe.DataFrame type Dataframe to Dictionary	+0.39
what is the most efficient way in pyspark to reduce a dataframe?	0.00
R: Transform from Wide to Long without sorting columns	+0.93
Difference between columns of ArrayType in dataframe	+1.63