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Rating Stats for

denis

Rating
1470.44 (4,518,999th) 		Reputation
2,397 (70,381st)
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Title Δ
lme4 + Analysis by Group 0.00
sum of the points for categorical data -1.47
Combining data.tables in R 0.00
Survival statistics in R 0.00
Aggregate data in one column before a date 0.00
Compare columns across multiple data frames in R 0.00
Data.table: how to get the blazingly fast subsets it promises and a... -3.79
Filtering & Summation of a List 0.00
How can I generate multiple graphs using a repeating simulation and... 0.00
Converting a nested for-loop for string search for optimization in R -2.47
replace for loop in r with function from apply family (large data s... -2.03
How can I divide and multiply each row/column (cell) value in R? +0.33
Plot all columns (number is not predefined) of xts object on one ch... -3.41
Giving to cells which are equals 0 the same value from the cells wh... +1.01
How to use a for loop to use ddply on multiple columns? -1.66
R aggregate multiple column in a unique -3.55
Sampling from a subset of data -0.17
I need to add several rows together based on the fact that they hav... 0.00
R: calculating mean and sd for each week of the year +0.26
How to plot a variable to find out whether there is negative linear... +0.06
How to calculate amplitude from spectrum() +4.33
Splitting specific column values into multiple columns -1.83
Don't drop dimensions when subseting 3-dimensional array +0.44
Search for a string in Data.Table in R 0.00
Merging dataframes without duplicating rows in R -3.71
How detect common elements from two lists? -0.12
How to create a new column for the first non-NA group by factors? -2.88
In each data frame row, match each column to a key in another data... -3.88
Creating new column based on row values of multiple data subsetting... +0.45
How do I select rows in a data frame before and after a condition i... +0.11
Simultaneous equations in r with logrithmic 0.00
Reorder a vector with wrap around in R +4.06
count multiple strings in R, group by those strings -3.62
Create cohort dropout rate table from raw data -3.99
dataframe - accessing the previous row -3.80
Replace values in dataframe 1 with corresponding values of datafram... 0.00
"tidyr like" fill na from different column +2.63
R - Adding a count to a dataframe based on values in current row an... -0.86
How to delete 3 consecutive rows that contain the same value in a d... -1.89
Simplify double for loop -3.88
R: Convert an incomplete matrix to two or three columns -1.95
how to find average in the time series data +3.97
Finding nearest value within a data.table -4.07