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ThomasIsCoding

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1498.73 (3,826,018th) 		Reputation
43 (1,121,033rd)
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Title Δ
How to populate an empty vector in R using a function? 0.00
How to collect outputs of multivariable vector-valued function into... +1.25
Combination of for-loop and ifelse in R +0.59
Create varying number of rows per ID based on condition +0.73
Repeating unique column names -2.05
Change a row value in a date variable -1.78
Is there a way to filter a row in R based on a categorical column a... +1.90
Matrix solving in R with for loop 0.00
Multiply Matrix R +0.82
melt/cast method to transform data.frame -1.86
How to use cbind() when columns stored in a character vector? -2.03
Trying to solve an equation with unknown matrix in matlab -0.27
Add a column that shows whether the two previous columns include 0... -1.89
Finding the index of the nonzero minimum value in R +2.19
R how order DF "on the fly" with %>%? -2.05
corresponding comparison of vectors within a list in R -1.42
Joining and replacing columns multiple times +0.15
Trying to use Lag function in a IF statement to add the previous ro... -2.12
List of characters to character vector -1.74
Efficient way to do multiple logical operations +0.18
How to efficiently apply cumprod to all columns in the tidyverse +0.17
How to refer to a column in a function +0.36
Change the names of multiple cells in R using a function +0.64
How to figure out which patients appeared under both IDs in R? +0.64
Incrementing to matrix using indexing +1.87
Intersection of two integer matrices by position R -0.11
Ordering of group_by, mutate and summarize in R +1.02
Calculate function values of a interval 0.00
R: count distinct IDs where selected column is non-null -0.78
R: Change multiple strings to one other string +1.90
How to transpose a data frame in R using dplyr? -0.49
How to create a dataframe with repeated columns created from random... +2.18
R combining dataframes / drop rows with conditions +2.20
Convert the integer numeric numbers into percentages -0.55
Create new list with condition of values (sublist) ​from another li... -0.88
R: Add a new column to my dataframe by its name +1.94
R: Dividing different rows and creating a new colum with its value -0.80
extract all number in 1:1000 which begin first digit==2 -2.10
Reassign value to different column 0.00
Computing ratio between elements with dplyr in R data frame? +0.19
nested for loop in R, where the second index counts inside the firs... +1.19
Filter strings across multiple columns with data.table -1.55
How to remove an unnamed element from a single item list? +0.83
How to do this matrix"operation" in R? 0.00
Is there a way to automate the multiplication of columns in R in re... +0.36
Use a for loop to rename variables in data frames -1.11
Use a specified column of one data.frame within a list of data.fram... -0.11
get.edgelist or get.data.frame to transform matrix'values into... 0.00
How to create a mxn matrix with a specific rank in matlab? +1.85
How to remove repeating rows in a double array so that no row is id... +0.42