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Rating Stats for

Ronak Shah

Rating
1624.06 (999th)
Reputation
80,694 (1,021st)
Page: 1 ... 219 220 221 222 223 ... 233
Title Δ
shuffle vector within groups, preserving order 0.00
Rename columns by looking up in another dataframe +2.88
Use if else statement in R dataframe +1.28
Subset based on a range of dates falling within two date variables +0.82
Table in dataframe with vector of lists and vector 0.00
subset vector and print two elements in a for loop +0.41
How to aggregate without affecting certain columns in R? 0.00
Filter dataframe by vector of column names and constant column names -0.02
Lapply to determine months between columns in a list (of data.frames) +0.42
Choose second or third rank in repeated value using R 0.00
Piping the removal of empty columns using dplyr +0.43
Swap rows, per two rows -1.66
Addition of values of the next row in r +1.49
How to find records in a dataframe using variable from another data... 0.00
Subtract two dataframes for only matching columns 0.00
How to store time as a variable and subtract from current time in R? +2.27
How to reset the order of words in a string -0.06
match two sets of combination of numbers +1.96
How to rename filnames stored as tibble/dataframe using dplyr -0.02
How to search for a string in an entire data.frame -1.01
Consecutive Across and Unique Number Within Group +2.06
Correct way to recursively create a data.frame from a tree +0.97
Inner join exactly on one column and fuzzy on another -1.88
Suffix incrementally by group in a vector +2.03
Adding a row for the ratio of two variables -2.23
maximum length of each numbers between zeros 0.00
Replacing values in column that occur less than x times -0.29
Count number of unique instances in a column depending on values in... +0.41
Use Dplyr::Bind_Rows and Purrr to Selectively Bind Different Datafr... -0.09
Text manipulation using lapply() +0.82
Matching rownumber and column name of a data frame with values of a... -2.31
adding list of matches to dataframe +1.81
Remove Pattern at Beginning of String but not at End -0.48
how to update time when multiple entries present for same time stamp 0.00
Text-mining including patterns and numbers +1.52
Repeating items in a column excluding the one item corresponding to... +2.03
multiply data frame by x vectors in another df, return x new data f... +2.06
How to sum list elements with the same name? -0.75
Filter/Subset R dateframe based on other dataframe +2.05
Split character string by forward slash or nothing -0.79
NA difference in as.difftime R 0.00
How to drop observations conditionally with same values in R +2.41
R - match strings between two columns +1.47
using "Grep" function with the number or repeats +1.92
How to Access the List Indices +2.83
difference between values in different rows -0.06
Keep at least two numbers in list +1.35
How to generate random numbers in many ranges +0.24
Merging list with common elements +1.51
Select nested sublist of a list based on condition in R +1.20