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d.b

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1551.74 (7,432nd) 		Reputation
20,645 (6,563rd)
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Title Δ
How to aggregate categorical data in R? +0.17
Convert dataframe into list 0.00
Applying a function element-wise on a vector or list would fail usi... -1.82
Converting marks into grade into R -0.29
Underscore plot in R -1.57
Calculate value using row above in data.frame and another column -0.28
Calculate value using row above in data.frame and another column -0.28
Reshape dataframe to be three columns wide without knowing variable... 0.00
R: Get x neighbours from a dataframe based on column value 0.00
Subset vector based on increasing/decreasing trend -0.06
Is there a way to replicate a matrix with overlapping pattern? -0.54
How to I resize the outline of a pch plot point in base R? 0.00
R Returning all characters after the first underscore -1.71
How to use apply group of function in R to calculate mean of values... +2.32
How to match and replace a subset of column names -0.20
R select sequence of certain length -2.01
Calculate Min Mean Max For Rows Where Multiple Columns Have Same Va... -1.69
Plot the values of each column as histogram 0.00
Subsetting a data frame depending if value in column of reference i... +0.31
Plotting two convex hulls in R 0.00
R: Subsetting data frame for minimum of consecutive years -0.52
Show value in function passed through arguments 0.00
How to allow seamless navigation of a bookdown book with keyboard a... +0.41
How do I display Correlation matrix as percentage 0.00
Group Values Based on Vector and Update Column +0.49
Returning values after last NA in a vector +0.89
Can with() block results be used outside the block? -1.42
String concatenation based on values of a column -1.70
Group the text if union 0.00
How to add columns that have same name 0.00
Find number of occurrences in different variables +2.11
Verify that a sequence of dates are in the right order -0.98
R: how to assign colours to specific values +0.29
How to apply a function in each column of a data frame? +0.33
On a data frame, duplicate values if they are present on another da... +0.74
Remove/replace values in a list using the previous number in R -1.57
Visualize frequency of categorical variables between different samp... 0.00
Turning a vector into a matrix +0.39
Combine two vectors into one in R -0.24
Similarity / distance between many pairs of matrices +0.24
Find last occurrence of unique values in a column and alter value i... +0.99
how to concatenate values for every above 3 rows in R -1.25
extract words in between two commas in R -0.31
Calculate means across elements in a list -1.86
How to use apply for different variables -0.22
merge and expand 2 dataframes +2.19
How to plot heatmap using 2 matrix in r +0.47
Multiple rows per individual: collapse and consolidate into vectors 0.00
R - generate unique sequences of list with reoccuring items +0.82
How to determine if numbers from one string are contained in anothe... +0.46