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Ronak Shah

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1624.06 (999th) 		Reputation
80,694 (1,021st)
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Title Δ
Adding Column Names to Foreach Output in R +0.44
Using R, how to filter a column to keep item contained in another? +2.47
Replace multiple columns with column mean of non-zero values -0.37
How to combine data.table with a loop -0.22
Comparing two dates with different formats +2.35
Check if two out of 5 consecutive values are larger than x +1.83
R script after ranging [0,1]: (list) object cannot be coerced to ty... +0.58
how to replace specific values in data frame to NA in R? 0.00
twitteR package: how to get users informations from an id's fol... 0.00
Add multiple columns simultaneously based on a sequence +0.01
R: How to pass values from a vector as args to gsub 0.00
Error in running a Python code from R with the package rPithon +2.52
How to convert "for loop" to "apply family functions... 0.00
How to rbind a number of objects in r with same starting word but d... 0.00
Create a column of random integers, where the min and max integer f... +0.58
Most efficient way to replace NAs in a data frame based on a subset... 0.00
Apply a function rowwise for calculating percentage changes in R +0.04
Subset the data based on a unique value in R -0.47
R programming ranking a vector in a function -0.76
Mutating multiple columns in a data frame using dplyr +0.05
Remove row conditionally from data frame -0.77
R Partial string match and returns a value from the matched row (li... 0.00
how to remove one data in r +2.99
How to append two dataframe by overwriting the existing rows +0.54
r tm extract doc ids after sort operation 0.00
Count non-zero values of column in R +1.34
how to make a vector of x from 1 to max value +0.52
R: Find commonalities in list of vectors and remove the uncommon pa... +1.74
Multiple conditions in R using a specific variable 0.00
R - Fraction of matching rows between two columns in a data frame 0.00
mutate_ column using a calculated column name in dplyr +0.15
R Multiplying columns of two data frames +2.44
R Language - Rolling averages across columns 0.00
How to calculate NA's in each column and drop columns having mo... 0.00
Easier solution for searching across columns in data.frame +2.54
Passing arguments in R within functions, error unused arguments -1.19
R: Count event occurrence and assign it to individuals according to... +2.96
How to replace outliers with NA having a particular range of values... -0.16
How to calculate average time for aggregated data per different gro... +0.60
How to find percent values by joining to column from another data.t... -1.81
How to count aggregated data and create different counters? -0.48
From a vector of 1 and 0, how to keep only the ones before the firs... -0.92
Add sequence to each element of a vector -1.60
For rows with duplicates, create new column with conditional value 0.00
How to get sum of observations of a variable using sapply/lapply fo... 0.00
R: Find a specific value in a column, then replace the adjacent cel... +0.09
Substracting a character vector to a character column in R +0.59
create new dataframe from missing values +1.54
Aggregating rows with same Ids and retaining only unique entries in R -1.04
From one vector delete all elements of another vector in r +1.10