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Lamia

Rating
1561.62 (5,310th)
Reputation
3,205 (52,717th)
Page: 1 2 3
Title Δ
R: Count unique rows for each unique name per year +1.09
how to fill in NAs using difference between distances 0.00
Extracting "quarter" along with its corresponding year fr... 0.00
How to create a symmetric matrix in R counting how often two column... 0.00
Join two adjacency matrices and retain values +0.43
For each case in a dataset, is there a way to sum the total distanc... 0.00
Check if any columns within a data frame are identical in R -2.00
Add data to column based on values from other columns -0.59
Creating graph with iGraph and computing similarity metric 0.00
Average neighbours inside a vector -1.89
How two find two words in any order within a period delimited sente... +1.58
Extract string between first and last _ +1.23
R: How can I make n data frames grouped by a single column in the o... 0.00
R: Create a flag that is 0 or 1 for a whole group if one value in t... +0.89
why does gsub not replace NA +2.01
Generate running combinations of vector values in R -2.35
Select rows by ID with most matches -0.62
How to remove empty cells and reduce columns 0.00
Filtering data frame by condition including data after that condition +0.39
String subset using a pattern and range of string length and in R 0.00
Get multiple Sums for a vector with only 2 factor levels 0.00
How to count the number of rows a condition has been met -2.55
Creating matrix of distances in R from lat & long between two d... -0.12
Giving to cells which are equals 0 the same value from the cells wh... -0.13
Rolling minimum, fixed starting point 0.00
Sort matrix based on the nearest distance between two coordinates -0.56
Add a new column that maps one character string onto a new characte... 0.00
Aggregate by multiple columns and reshape from long to wide -1.79
R: subset data.frame based on column value using dplyr +0.85
And together columns of logical matrix together to get one vector +1.91
How to assign a value to a column based on a column index +1.79
Efficient Way to Merge Data and Fill NAs with Inconsistent Time Frame 0.00
Reference forward and behind vector element in calculation -0.91
Check time series incongruencies -1.30
Convert a 2 column dataframe into a symmetric binary matrix 0.00
Calculating distance over a list -1.30
R --- filling a matrix by row with undertermined NAs -0.39
How to split a column in two base of the 8 first number of a value... 0.00
Sample n random draw within group with different nrows +0.21
lagging variables by day and creating new row in the process 0.00
How to split letters, letters with bracket and numbers in R? 0.00
R: Merging 2 dataframes and applying reference data to all rows tha... 0.00
Split vector separated by n zeros into different group +0.13
R- Trimming a string in a dataframe after a particular pattern +3.14
R - construct adjacency matrix based on other adjacency matrix 0.00
Calculating geographic distances to data points with dplyr::mutate -0.73
Fill sequence by factor +3.59
How to merge dataframes when there are duplicates -0.17
Complicated table calculations -2.87
Data frame: How to compare current row to some other rows without l... -0.73