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thelatemail

Rating
1597.87 (1,873rd)
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70,009 (1,231st)
Page: 1 2 3 4 5 6 ... 35
Title Δ
How to create a symmetrical data frame in R based on another symmet... -0.09
How do I make an alias for a column name? +1.63
Removing specific element from a list of vectors in R -2.22
Implementing "at least" condition in a filter using R (dp... +0.04
Selecting rows around a specific row in R 0.00
R: How do you run a function to get multiple columns? 0.00
R: Create a new column in a dataframe, using column name, condition... +0.32
Verify that a sequence of dates are in the right order +0.89
Creating a table with indicator functions for combinations +1.52
Updating table in R programming, syntax 0.00
Get an array of values into a cell within a dataframe +1.44
How to reclassify/replace values based on priority when there are r... -0.06
Merge multiple data frames with partially matching rows 0.00
Replace values in set of columns based on condition +1.88
How can I summarize this data with R? +0.78
Calculate Ratio of multiple pairs of columns +1.69
Randomly Sample from Every Row of Matrix -1.37
Transpose every N rows to new column -1.48
Get index of first TRUE element of each column of a matrix, but ind... -1.41
Extract values based on last n characters -0.76
subtotals per category over multiple columns -0.16
Efficiently combine (AND) groups of columns in a logical matrix -2.35
Building separated columns for each category from columns that cate... -0.21
Multiple, flexible logical column comparison in Data.table +2.02
Create Dynamic Text with new lines 0.00
purrr equivalent of lapply to return multi-element list? 0.00
Dynamic column calling and transformation in data table part by num... 0.00
Distribute a vector over a column in list of lists in R 0.00
Group data by factor level, then transform to data frame with colna... +0.45
Subtraction to combine two R data.tables by matching rows +1.29
Split column by multiple delimiters, keeping delimiters +0.79
Generating a pairwise 'distance' matrix +0.09
Finding the first non-zero year in data frame for multiple variable... -1.98
combining strings from following ID with strings in current ID +1.83
R: Transform dataframe column using dictionary/list? +1.30
R: Match Data Frame Elements with Vector Elements +0.50
data.table shift right all cell values by number of na within each... +1.53
Assign the results of do.call using cbind to data frames +0.34
access matrix by rownames and colnames, and return zero if not avai... -1.32
Reshape by creating a new variable -2.56
Compare column values against first row and retain original values... -0.09
Conditionally Select Rows within a Group with Data.Table +1.22
R sum two columns with condition on third column -0.16
Create a decimal hour column from a half-hourly datetime -0.17
Subtract even columns from odd ones in a data frame +1.15
R appending multiple data tables to a list 0.00
When converting decimal date to julian with %j strptime, how do you... -0.11
Find variable combinations that makes Primary Key in R +0.68
making 1000 contingency tables in R 0.00
Obtaining slopes, intercepts, and coefficients of determination fro... -0.46