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Robert Krzyzanowski

Rating
1508.90 (79,058th) 		Reputation
7,953 (19,848th)
Page: 1 2 3 ... 6
Title Δ
Certain pattern as missing data in R -0.21
Turn names into numbers in a dataframe based on the row index of th... -1.41
Creating Classes in R: S3, S4, R5 (RC), or R6? 0.00
updating arrays in R 0.00
multiple JSON objects in fromJSON 0.00
How to convert columns of data into z-scores? -1.57
Difference between runif and sample in R? +1.63
error while using multiple if else function in R +0.56
Testing multiple numeric columns to make new column +0.16
Using paste in R -2.03
Detect multiple strings with dplyr and stringr 0.00
Remove values in different intervals efficiently from a vector 0.00
Columns Named as Numbers +2.64
Reading from file in R when I have a part of its name +2.35
Count unique value in one data frame where the unique value range i... 0.00
missing value imputation in r +1.73
Is it "bad" to define closures at the top level, only to... +1.52
Why am I losing so many observations when I subset? in R? -0.01
Override function in R package 0.00
function(x) in R: writing a "function" without defining a... +0.03
matching regular expression in R 0.00
Strange recycling of factors in dplyr::mutate - bug or feature? 0.00
Select string starting with numbers in R -1.79
How to extract TLD of a domain name using regex in pl/sql? -1.68
Finding (and returning) the first element of a list that meets a (l... +1.49
I am getting a reference error using coffescript 0.00
how to access the name of a dataframe in R +0.93
How to order the levels of factors according to the ordering of a d... -1.23
R: Limit each element up to 5 +1.05
R: Limit each element up to 5 -1.95
How can I get quantile label names in cut function? 0.00
How can I get quantile label names in cut function? 0.00
Looking up values in data.frame for given rows -1.27
Permute groups in a data.frame R -0.49
best practice on factoring out shiny code 0.00
How can I call a function with some parameters specified in parent... -1.04
shiny, ggvis, and add_tooltip with HTML 0.00
Get the integer value of a level and add to new column -0.55
How to do %in% by rows in R? -0.54
R programming - Computational time taken for comparing strings vs c... +0.49
how to get the recency value? +0.65
Using ifelse() to replace NAs in one data frame by referencing anot... -1.26
How to combine R matrices of a different size by growing rows +0.09
how to plot dotted / dashed lines using rgl 0.00
Importing data into R (rdata) from Github +0.00
Generate N random integers that sum to M in R 0.00
Subset the sum and average of different columns based on the range... +0.87
Creating a sequence in a specified order +2.28
How to run R script in Visual Studio 0.00
In R, check multiple values multiple times, sum if conditions are m... +1.55