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Rating Stats for

Karthik S

Rating
1497.27 (3,970,767th) 		Reputation
1,533 (106,965th)
Page: 1 ... 6 7 8 9
Title Δ
matches and contains behaves differently for "." (dplyr) 0.00
add a column to my dataframe based on information in two columns -3.76
Merge two columns to a value range column in R 0.00
R subset/keep all rows with at least two specific text strings -3.05
How to convert data in R +4.29
Groupby one column then sum up another value column and count rows... -1.12
How to update new column in a data frame based on another data fram... 0.00
validate values in two data frame +1.55
range selection in R +3.24
Dynamically appending n objects in a list -1.81
How to divide a column in mutate -3.35
R: select all subject who have >5 entries for a variable -0.37
Filtering data with more than n repetitions by taking a mean of tho... +0.63
Merge data frames with annual observations and time-period observat... 0.00
Is there a way to seperate specific strings in a character vector a... +1.28
How to mutate a variable in a tibble based on columns named as numb... -2.46
How to use apply family functions instead of a for loop on a matrix? 0.00
How to lag data based on two columns in r -2.54
Using apply() in R to count the number of cells within a range for... +4.43
How to isolate values in a dataframe based on a vector and multiply... -1.77
Loop through the columns to search for multiple variables in R -1.16
Rounding month end data using weekly split in R 0.00
Select maximum value in column based on conditions of other columns +4.31
How to select columns with partial match to sort them +4.16
Newbie to R and was wondering if anyone could help me +4.39
How do I exclude values within a range in dplyr? -3.57
Get first match in series, R -0.07
Extract which rows groups appear using dplyr -0.59
add column to df according to rule +1.08
How to remove certain junk values from a column in a data frame? +0.33
Loop through the columns in R -3.67
How to create a table of age range in R +0.93
Identifier based on conditions-R 0.00
Create new column if first letter is a specific letter in R +4.36
Compare to df's and populate col based on matching rows 0.00
How to filter rows by percentage of columns over X in R -0.82
Is there a R function to compare the frequency of occurrences of ro... +0.70
Create new variable with "Yes/No" depending on if other v... +1.55
R: Analyzing whether accounts receivable is recurring over time 0.00
How to retrieve stock price for specific date and tickers? 0.00
Aggregate time series data, get average without NA or 0s in R -3.18
Regex to detect consecutive lower and uppercase -2.45
How to modify special symbol in data frame in r -2.99
Negative values converted as Positives in Seperate_rows function -2.50
Create Dataframes columns with values from another DF and update ma... -3.74
How to create a new column in R data table where each row is a func... +1.48
If elements are different, collapse -0.47
sum function in R giving non-credible results 0.00
R: Splitting up strings "pairwise" into a variable number... -3.60
How do I divide certain cells in a dataframe by 1000 -1.67