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denis

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1470.44 (4,518,999th) 		Reputation
2,397 (70,381st)
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Title Δ
how to define x axis at 1 instead of 0 0.00
Linear interpolation between values -1.69
Calculate the length of a row in dataframe 0.00
Calculate distance from one point to the others by R 0.00
How do I sum values across a data frame in R? 0.00
Splitting complex string between symbols R 0.00
R: using corrplot to visualize two variables (e.g., correlation and... -0.30
Select min or max values within one cell (delimited string) +1.89
Calculating the real-time displacement of a particule: issues with... +0.04
Extract number from a character string, if it is followed by certai... -0.89
Replace values in a data.table based on row values in another table +0.05
How to use a for-loop to apply a function to specific values in a c... -0.53
Using Rolling Average to Calculate over Window of Values -1.03
In R: how to conditionally use rollapply based on the number of NA... 0.00
data.table bug: lapply on .SD reorder columns when using get(). Pos... -1.67
R reshape and put the values in an array column +0.04
How to count the presence of unique elements from each row of data... -0.48
How do I make a categorical variable on x-axis of ggplot geom_line... -1.35
How to avoid loop transforming a matrix using a function for each e... -1.99
Split a mixed string -0.66
R: Finding the closest of two dates according to an index column +0.30
Speed up of the calculation of the sum the point-wise difference in R -0.36
Extract different col in every row of an R data.frame 0.00
How to combine information from two rows with ALMOST same name -1.67
How to add a space to every two characters in a data frame -1.76
How to subtract a value using two different data frames of differen... +2.26
Iterate over columns of a matrix in R -0.77
How to count consecutive zero in last run in R? -0.89
Extracting 5 words before and after an specific word -0.70
Subtract values from columns, based on groupings -1.01
Grep when pattern is found exactly n times -0.13
Generate a frequency dataframe out of an input dataframe +0.52
How to write function to alter a string and also do arithmetic +0.02
Can you fit a non-stationary model using the ar function in R 0.00
merging factor variables of equal length but different levels ignor... +0.36
Bind vectors across lists to single list of matrices +1.70
simulate over for loop and save values in vector +0.19
Calculating data and generating rows in R +1.27
How to discover patterns in sequences of numbers 0.00
Smooth prediction of several groups within a dataframe 0.00
Automatically repeat running a piece of code 25 times and collate t... +0.03
Rvest read table with cells that span multiple rows 0.00
Boxplot by group and then column in r 0.00
function in lapply not working when applied to some columns +0.54
Showing summary stats in infoboxes in shiny 0.00
Tidyr solution to half-melted data -1.50
finding nearly identical rows between data frames +2.84
Find overlapping ranges by factor level using R +0.35
How do I annotate outside of horizontal bar plot in ggplot2 0.00
Calculating the gini impurity of a vector in R 0.00