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Rui Barradas

Rating
1524.32 (24,788th) 		Reputation
18,865 (7,330th)
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Title Δ
Creating a new column using existing values from other columns usin... -0.01
Combining files based on their names in R into dataframes -0.09
Using the symbol or '|' in r +1.27
How to loop through rows, then within each row loop through columns... +0.52
Subset data frame using lapply and subset +0.34
read.table that delete 0 of each rows in r -1.91
How to write a (first-order) derivative as a function in R? +2.02
After I use the lappy() function on a data frame the column name ch... +0.51
Place column values in lagged combination +0.13
Calculating frequency of a number in dataframe 0.00
get length of character matching between two string in R -0.25
Reducing a dataset based on specific variables in R +0.13
Match and Replace similar words with a common word -0.29
Multiplying two adjacency matrices element-wise, one larger than th... 0.00
Reorder Factor Variables in R +1.47
How to sort list of strings by custom rules in R? -0.67
Regex - Capturing repeating groups excluding surrounding partially... -0.68
Box plot containing multiple variables? / Violin plot? -0.07
How to remove subsequent values after first instance only when othe... +0.26
Sampling from a specific part of a normal distribution in R +0.97
Match elements from a character range n times -1.09
Error in FUN(X[[i]], ...) : only defined on a data frame with all n... +0.18
R, igraph: Where is better to store names of vertices? + runtime me... 0.00
Subset all data each of which have a follwing different number -1.59
How to get the number of genes expressed in only one tissue 0.00
applying a function to groups matching multiple rows -2.00
Can R automatically create vector based on time period? 0.00
How to extract date from the text 0.00
Splitting text with strsplit regular expression -1.17
Adding Attributes to Nodes in igraph based on matrix elements 0.00
How to put Rmpfr values into a function in R? 0.00
Filtering Data Table Row Vector That Lies Between 2 Numeric Vectors +2.32
Bootstrapped p-value for a correlation coefficient on R 0.00
How to take data from Average of Hour ( from a 30 seconds data shee... +1.14
Sorting multiple columns by first letter and by numbers in R -1.95
create month column by summing over another column in data.frame 0.00
Doing calculation for section of a data and averaging 0.00
check tables exceeding certain values and count number of times exc... +1.30
R Count Function 0.00
Summation notation 0.00
Convert data frame imported from csv file back to the manual data.f... 0.00
Is it possible to create a countif like function in R using ranges? -0.28
How to split a list of data frames based on its column names? -1.05
Running a function in a for loop and adding the returned dataframe... +0.25
R - Only allow numbers and dots in column 0.00
Fill NA values in data frame from another data frame will preservin... 0.00
Subsetting Data - more difficult than usual +0.23
Using nested apply functions instead of nested for loops 0.00
Looping through a vector, creating a new variable which is the firs... -0.51
R: How to retrieve a column name of a data frame -1.03