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Rating Stats for

lmo

Rating
1476.61 (4,507,387th)
Reputation
32,267 (3,693rd)
Page: 1 ... 6 7 8 9 10 ... 26
Title Δ
Insertion of blank columns at repetitive positions in a large data... +0.24
Is there a way to add specific values to a new column in R? -1.96
Make a new dataframe of duplicate characters for each level of a su... +0.53
R summing up total for each class for each id +0.53
table function for all factor variable in data.table 0.00
ifelse with condition on rows +0.03
argument 'pattern' has length > 1 and only the first ele... -1.04
Use values as new variables conditional on other variable +0.52
How to define a variable within a function and use it to call anoth... +2.19
Pandas: Using variables to create dataframe with one row and column... -0.93
Vectorising iterative operation across rows -0.76
How to create new column using values in an existing column to tell... 0.00
Aggregate/Sum data set by week and by product in R 0.00
Error using function in data.table in r 0.00
Cross correlation of different time series in a matrix -0.45
Looking up a value in every column except one and return a value fr... -0.24
Extract consecutive bouts by time and date -0.49
filling columns of a matrix by the values of outputs of different f... 0.00
Column depending of other columns +1.30
dplyr filter with condition on multiple columns +0.28
Add constant number of days only to specific values of a data frame... +0.51
Keep the first day of the month, even when it is repeated in R 0.00
Replace consecutive zeros found at either end of a dataframe in R -1.23
Finding the common dates in a data set based on a categorical varia... +0.99
Using ifelse function by group +1.06
Reordering data columns 0.00
Convert 0s to NAs when that is the only value in a row. Keep all ot... -1.93
Use grep to delete any string containing year less than 2014 -0.04
replacing values in a data frame in R depending on column sums +0.01
Aggregate a value by 2 variables +0.07
Unique values for the 1st group then the 1st and 2nd and so on -1.13
Fill in empty values with the last non-empty in vector +1.42
How can I store a value in a name? 0.00
Adding dimensions to a list by ID column +0.05
Apply different functions to different columns after grouping +0.53
compare between more than 2 vectors in R (Voting) -1.90
Using logical subarrays in arrays -0.99
How to categorize according to a list of named vectors (~ontology) +2.49
Replace NA values in column with value in row above +1 +0.45
finding matched pairs(or records) in a dataset +0.55
Adding a new variable into a data set based on the element of a list 0.00
column of unique values between of two other columns -1.13
If value occurs at least once in column B, fill for each sample wit... 0.00
Replace rows with 0s in dataframe with preceding row values diverse... -1.02
Add rows with missing years by group +0.26
Passing arguments to intersect / reduce function dynamically in R 0.00
Sum columns row-wise based on IDs in another vector +0.06
Efficient method to convert set of ranges in a dataframe to frequen... -0.13
How to reshape a vector with comma separated records into a longitu... +0.12
R - construct sparse matrix from list of lists -1.46