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Ronak Shah

Rating
1624.06 (999th) 		Reputation
80,694 (1,021st)
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Title Δ
R select email addresses with > 2 similar start dates in a year -0.52
Picking up only specific columns based on conditions on multiple co... +1.02
Merge rows based on column value and value different column in next... -1.77
aggregating unique values in columns to single dataframe "cell... -1.30
splitting ff_vectors in r 0.00
Looping a column in a dataframe while changing its value 0.00
Subset dataset with time condition in R +0.62
Averaging replicates by id and date -1.58
Intersecting a list of data frames in R +0.59
R subset rows for all occurrences of first variable in column -0.04
Calculate Avg Time in R +0.05
Match the element in the dataframe 0.00
How to get latest news posted on twitter by a website +0.61
How to join two data frames by rows based on column value of first... +0.72
Replace part of a string (text mining) -1.04
Creating a single column from 4 variables +1.03
Add brackets to string in data frame 0.00
R - How can I choose the earliest date column from date columns? -1.58
Understanding the behaviour of Logical Indices 0.00
Creating variable by group (R) -0.80
ifelse not looping over rows as expected -1.74
Extract sample of values from an interval 0.00
Trying to apply a classification in one dataframe, to a variable in... +0.59
how to find index of match between two set of data frame 0.00
How to run certain elements of your programme based on whether a da... -0.15
change column names based on matched names 0.00
R - How to compare two words sentence if order is not same? +1.44
R POSIXlt timestamp conversion do not know how to convert 'df1$... -0.41
Comparing and eliminating elements of vectors in R -0.41
Replacing characters in R that contain special characters 0.00
R: append column in a dataframe with frequency count based on two c... -0.68
R subset a column in data frame based on another data frame/list -1.73
Summaries for many Lists 0.00
Transform or convert the column of a data frame in R +0.46
r subset rows by criteria and by factor group -1.76
How to generate a sequence in R, that starts with 01 and ends with... -1.78
How can I delete every n-th row from a dataframe in R, according to... -1.80
Displaying only first 100 chars of character object +0.09
How to subset over a string of times 0.00
Creating columns of differences faster in R -1.77
Find the related group +0.48
Building index vector by using two vectors where first contains sta... -1.77
Mining rows and adding them on empty data frame in R 0.00
Transmuting row entries to columns in R -0.25
How to count the number of days in a given month in a given year in R 0.00
How to replace numbers with NAs with condition -1.05
Rename columns in data frame using "arithmetic progression" +1.44
Assign column with value in the dataset itself using R -0.27
Performing operations in dataframe and lists in R +0.19
substract subset of data frame from the same data frame -1.70