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Gopala

Rating
1481.03 (4,492,757th) 		Reputation
7,143 (22,429th)
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Title Δ
Extract text after a symbol in R -1.72
How can I update a ShinyR header object (e.g. h1()) 0.00
estimate frequency for multiple subsets of data frame in R -1.73
Extract number of days by year with beginning and end dates that ma... 0.00
New field with column value with min parameter 0.00
R, data.table or dplyr, long format splitting colnames -0.51
How to group by month, day, morning, afternoon and sum the records... +0.55
check if column contains part of another column in r -0.46
Annual data from different sources has different dates for the same... +2.04
apply a function for every row of a matrix 0.00
How can I use the original argument name in a function when using a... 0.00
Identifying mention on a comment and populating data frame 0.00
Data manipulation on R +1.42
Removing duplicated observations in r with restriction +0.54
R string_extract_all looped through data frame using plyr +2.29
Parsing price out of a character string with regex in R +2.59
R: Add day/night column to data frame, when sunrise/sunset times ch... 0.00
Count the number of times (frequency) a string occurs +0.63
aggregate in R by permutations of column values 0.00
Levenshtein implementation capable working with large strings and v... 0.00
How to make a table shows the change time by time in r 0.00
How to find mutual pairs in two data frames after removing duplicat... +2.71
dplyr - Separate rows from data frame using cumulative sum of value... 0.00
Find all sequences with the same column value -1.07
pairing items from an index in R 0.00
remove individuals that does not have required order of values for... 0.00
Remove duplicates and sum values in R +0.07
How can I collapse all the columns in a matrix to its first column? +2.32
Merge multiple dataframes in R 0.00
How can I plot the residuals of lm() with ggplot? +0.57
Best merge or join function in r -0.02
Filtering rows based on counts of a specific factor +0.39
Add conditional group identifier using rollup functions +0.57
Transposing to get single row for each ID's in R +0.28
How to combine matrices with sapply in R +2.31
Rolling the data in R at customer id and product level -1.05
How to obtain adjusted dependent variables +0.36
How do I merge two data frames on one column if the column has a di... 0.00
Create date sequence by factor level +0.58
R: Application of group_by in dplyr 0.00
How to sum the 30%'s highest number in a column in groups +0.05
Generating a new regression equation for every row of a table in R 0.00
Can R visualize the t.test or other hypothesis test results? +0.86
Why is visible column missing from data frame dimensions? +2.19
Convert Times in R 0.00
Aggregate data, create new column that counts number of repeated st... 0.00
R: How to sum pairs in a Matrix by row? -0.91
Delete/select sub string in R and create a new columns +2.43
Working on 2 mixed data frames -0.16
How to group the values with specific difference in R? -0.43