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Rui Barradas

Rating
1524.32 (24,788th)
Reputation
18,865 (7,330th)
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Title Δ
Function to return data set partly based on global variable 0.00
Conway Maxwell Distribution Density Plot 0.00
R: Find row contianing string in data.frame and edit different cell... -0.50
R S3 how to get 0.00
Removing Columns in one data frame based on values of another - con... 0.00
Return value in column 1 when value in column 2 exceeds 2 for 1st t... -1.92
How to bin time point and average the data for several subjects? 0.00
R posixct dates and times not centering on midnight +1.98
Improving the computational time of R for loops -0.00
R: new column of row difference from max value of another column ac... +0.50
Inconsistent ggplot subgroup order 0.00
Aggregating columns by finding the difference between 2 dates in r -0.00
Variance of a complete group of a dataframe in R 0.00
Create all combinations of letter substitution in string -0.82
How can subset a dataframe by nrow and groups in r? -1.58
Order columns in dcast -0.03
How to match columns or strings in R regardless of order -0.15
Cumulative multiplication in R with the addition of extra constants -1.16
How do I deal with an Ifelse condition that is not giving me an err... +0.50
Use default value if scan is escaped -0.01
R changing Data Frame values based on a secondary Data Frame -0.52
find the place where the variable in a dataframe changes its value +1.47
Renaming the name of variable in a list in R +1.20
for loop within custom function to create ggplot time series plots +2.38
Matching strings using R 0.00
r how to keep print method for custom class 0.00
How to use ‘apply’ with function that returns wrong dimensions (R) 0.00
How to print boxplots for each row of a dataset in R? +0.00
horizontal barplot with color gradient from top to bottom of the gr... 0.00
How to perform Broken-line regression analysis in R? +0.47
What can R do about a messy data format? +1.28
programatically create new variables which are sums of nested serie... +0.75
Plotting multiple variable function in R 0.00
How to assign the elements to different subsets according to the nu... +2.25
R loop change variable names +0.52
create a new column according to condition in another column R 0.00
How to create a table in R for mean, SD, and range from particular... +0.01
how to delete specific variables in R -0.50
How do I make a loop in R that uses a different variable each time... -1.99
How to replace only 2nd character from a string in R -2.07
Simulate data for regression with standardized Y 0.00
R filter on past date given the date in a specific row of data.frame +1.23
Removing the last special character +2.03
R - countifs like excel +0.03
for loop to name dataframe in R 0.00
numeric constant/forgot concatenate in r +2.16
Multinomial Simulation 0.00
How can I avoid a loop when replacing values in a dataframe by row-... +0.51
r extract hour from time data in character format +0.51
Plot one column in every matrix in a list of matrices in R -1.83