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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