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Rating Stats for

sindri_baldur

Rating
1543.60 (10,175th)
Reputation
8,049 (19,576th)
Page: 1 2 3 4 5 6 ... 21
Title Δ
Is there a way to optimize this statement: selection of values from... 0.00
Extract numeric and character values from a character variable in d... +1.39
Matching words from vectors of strings in R -0.57
Keep top 3 values in a row, change everything else to NA -0.32
Replacing NA in dataframe by values in other dataframe -0.67
How to reliably refer to column in X where it's name is identic... -1.22
Use string output as a part of variable name for dataframe 0.00
Programmatically calling Object based on "names" stored i... 0.00
Upsampling/upscaling a matrix by duplicating rows and columns in R -0.04
Generate dates 21 days before and after index date in data.table 0.00
Create a new column in R based on the content of another column [sp... -1.00
Removing duplicates if there is NA in one of the duplicates in R -0.68
Get the sum for pair of rows -1.43
r data.table inserting specific rows if missing into a data table +2.00
Conditional values -0.31
Splitting values in a column -0.03
Plotting gaps in time series as zeroes in R and ggplot2 -0.99
Replace multiple values in r -0.79
How match two columns of different data table? +2.25
Group efficiently with data.table in R 0.00
Delete rows for matching columns with a conditional in another column 0.00
Sorting a dataframe by a regular expression in its names 0.00
Assign lables to factors in R using .csv-file 0.00
R data frame: watch evolution of a variable on columns 0.00
how to replace NA with the value that later input with same ID and... 0.00
Create a dataframe in R where it summarize all unique patterns and... 0.00
Replace the first characters in a vector of strings in R 0.00
Group observations chronologically and by group R / data.table 0.00
R: the best way to locate the index of last observation of unique v... 0.00
How to extract column names based on a value in a output column and... 0.00
R rbind data.tables with different column using do.call on vector o... 0.00
Create a matrix from a dataframe and fill it with the count of a co... 0.00
Rmardown: Add horizontal scrollbar to avoid truncated output 0.00
Function to remove data frames in a list of data frames based on name 0.00
Create equal number of rows for observations in data.tables 0.00
Nearest "n" rolling join in R data table +2.24
divide numeric vector into intervals every n-th 0.00
Select units with observations in multiple time indicators -1.27
Finding in which vector does the element belong to +1.77
How to create new column in R based on missing values -0.32
reshaping data from long to wide format un R -1.87
Number of occurrences of each column (summary) in custom formatted... -1.65
Conditionally removing a vector element -0.97
Comparing two datasets using data.table +1.87
Subsetting a data frame according to different time ranges specifie... +1.11
set next n values to zero when this value equal one +1.50
Impute na using average on both sides in row -0.69
Having trouble using tidyr pivot_wider to spread data +1.67
How to match distinct repeated characters -0.85
Reading from an excel file having empty sheets as list and converti... +1.69