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Rating Stats for

Victor K.

Rating
1522.49 (27,522nd)

Reputation
3,204 (52,721st)

Page: 1 2

Title	Δ
SQLAlchemy: Avoid re-loading large objects from database after merge	0.00
Tableau: Blending Datasets that have common metrics but not common...	0.00
R: Error in textConnection: all connections are in use	0.00
How to convert dataframe to matrix based on 2 factor & 1 numeri...	-4.26
R - shiny server on Ubuntu	0.00
Why subset returns only odd-numbered rows?	+3.89
What Exactly are Anonymous Files	0.00
partial product of two matrices	-3.34
How to compute the sum of a variable in R considering ID variable a...	+3.99
Sending a query with a single transaction	0.00
Merge df1, df2, df3 dataframes in R on a specified column	+1.70
Aligning like rows in a character matrix in R	-0.23
Function gives me always a trailing `NULL` back	+0.05
Using plyr in R to count	+0.40
Metaprogramming with ggplot2	-0.27
Perform a semi-join with data.table	+4.15
Perform a semi-join with data.table	-2.85
How to use ggplot2's annotate with dates in x-axis?	0.00
How to produce stacked bars within grouped barchart in R	0.00
Creating a matrix indexed by names of vectors	-4.25
How can I run my shiny app without calling library("shiny"...	+5.23
How to modify a code acceding to a function?	0.00
Multiple Plots in R	+4.11
R replacing negative numbers with zero in a matrix	0.00
accented characters in MySQL field cause invalid multibyte string e...	0.00
how to tell big.matrix to treat certain columns as vectors	0.00
Convex hull ggplot using data.tables in R	0.00
Extract a portion of 1 column from data.frame/matrix	-2.35
How can I remove all variables that do not have multiple distinct o...	0.00
Reduce left-fold in R	-2.27
merge multiple files with different rows in R	+3.82
subsetting data using multiple variables in R	-3.93
Summarize a data.table across multiple columns	+3.78
Problems converting variable into proper datetime format in R	+0.55
data.table and table unexpected behavior	-1.50
Transpose a List of Lists	+4.04
Applying a function to each row of a data.table	+0.54
Distance between simultaneous point locations in r	+3.94
data.table NOT summarizing properly by two columns	+4.98
unexpected output with POSIXct data	0.00
Problems adding a month to X using POSIXlt in R - need to reset val...	-1.28
Syntax (and/or functions) for applying an op over elements of one v...	+3.90
How to handle empty/incomplete subsets with data.table	0.00
Problems with relative frequency in R	0.00
Convert a list with x, y and z to data frame where x, y and z are o...	0.00
Working with timestamps for eventual aggregation	0.00
Sorting a ggplot2 boxplot	0.00
How to set out-of-order values to NA?	0.00
Comparing two date vectors with function in R to avoid loop and dea...	-4.07
Using non-sequential vector as input for a loop	-2.84