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Rating Stats for

Ronak Shah

Rating
1624.06 (999th)
Reputation
80,694 (1,021st)
Page: 1 ... 211 212 213 214 215 ... 233
Title Δ
Calculate row percentage difference in a dataframe for certain valu... -0.46
difftime with lag/lead based on condition from other column (and ti... 0.00
Count the maximum of consecutive letters in a string +1.76
Running a loop inside if statement 0.00
loop through 2 vectors simultaneously and save in new vector 0.00
New variable that indicates the first occurrence of a specific value +0.81
Iterate over rows 0.00
Convert list to matrix using indicator vector 0.00
Percentage group by for multiple columns in R dataframe -0.62
How to repeat the concatenation of strings per letter in a string o... 0.00
Compare the names of vectors and select the common ones and sum the... +1.46
Deconstruct vector by value -2.66
Specify data frame programmatically using paste() and replace value... +1.93
Count number of values which are less than current value -0.30
Clean column from duplicates being in blocks 0.00
How to find the smallest values of the vectors sequentially 0.00
separate data in variable in R +0.92
Filtering and summarizing but keeping 'zeros' 0.00
How to generate sequence when start is greater than stop -0.70
Tabulate multiple levels for each column in dataframe -0.80
Order heatmap according to one specific row 0.00
find longest length and value in repetitive sequence in data.table -2.71
How to recode multiple-conditionals to -1/0/+1? +1.13
Filter the data by rolling the dates or filtering the dates continu... +0.31
Simplify code for getting multiple disease proportions in the popul... +0.86
A better way to combine name and value of a named list into a string 0.00
Only keep levels that are incomplete, based on two columns -0.16
Subset to only return complete cases on group basis with multiple r... -1.85
Extract Last Upper cases from a string 0.00
How to split a list of vectors into sublist based on a values of an... 0.00
Subset a dataframe using colnames from another dataframe -0.66
Adding new columns in list-dataframes using lapply() based on other... 0.00
How can I calculate the sum of comma separated in the 2nd column -0.89
How to convert data in ratio format(eg 3:2) to decimal in R? -0.57
How to parse an invalid date with lubridate? 0.00
dplyr approach to get the last row number with a positive value 0.00
Subtract maximum per row -0.83
Renaming Columns in R According to Repeating Sequence +1.54
Filling rows between two values in a column +0.90
Checking if a group of vectors contain any subsets of one another a... 0.00
R rename column in a list of dataframes +0.76
R reverse counter of resets to time to reset 0.00
Adding constant to dataframe column conditional on other column +0.71
Return column names based on condition 0.00
How to convert vectorized transactions into binary matrix transacti... +1.09
Drop ID with all NA within a group +1.31
Panel data sequence adding for a particular value +1.46
Converting the factor data to POSIXct format 0.00
Create a sequence in a data.table in R 0.00
Recode column of character variables in one data frame with numeric... -1.76