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Rating Stats for

Ronak Shah

Rating
1624.06 (999th) 		Reputation
80,694 (1,021st)
Page: 1 ... 223 224 225 226 227 ... 233
Title Δ
Cut timestamp into numeric slots in R 0.00
average time in a column in hr:min:sec format -0.01
Sum positive and negative values grouped by other values -1.95
replace subset of vector values with subset average +0.74
How to summarize rows and columns in R? +2.11
R - Fill Column with values from any other columns +1.07
extract first value from multiple columns -0.93
Aggregation of dataframe by lookup in another dataframe +2.11
Fast pull data.frame rows with different value in previous row -0.97
replace values of a dataframe based on values of the previous rows +1.27
Binary variable to multiple records of same key based on characters... 0.00
R - mutate multiple column values conditionally +1.30
How do I return the first non-NULL value in a series of columns for... +2.21
Why is this grep exclusion failed to work in R? -0.55
Random incremental timestamp in R -0.20
how can I add "_" symbol in paste() for at the first two... -0.49
Mathematical operation using mutate_each -1.94
Comparing timestamps in different formats in R -0.46
how to select data based on a list from a split data frame and then... 0.00
R: Error when deleting an element from a vector -0.45
R dplyr: Use the function as a string in one column on the next col... +1.63
'=' vs. '<-' as a function argument in R -0.76
How to create a combination of conditional integer sequences withou... -1.01
Order data.frame by all columns +2.09
Formatting date in R with fractional seconds and AM/PM indicator +0.04
How to acces data frames in a loop in R 0.00
Comparing two data frames and filter the values based on their valu... +0.29
Count non-NA numbers in a column and output a data frame -1.10
Count unique values in R and display in column -0.84
A more elegant way to compute within-group proportions in dplyr? +0.69
R all possible combinations +0.55
Conditional count in data frame +2.15
Remove others in a string except a needed word including certain pa... +0.20
R: function on all column combinations from two data frames using n... +1.40
Calculate percentage of a two columns +0.78
Keep repeated element once and the entire data frame in r +1.41
Assign random values to column according to another column's va... +1.99
Calculating age using mutate with lubridate functions +0.52
Define the value of a column in a dataframe based on 2 keys from a... -1.01
r write a function to transform a one column based on second column +0.35
R - Aggregate (sum) totals for grouped data using dplyr -0.44
replace each value of three columns of a data frame with the value... -1.75
Subset from one row to another row in R 0.00
How to recode values in a matrix based on a calculation? +0.42
create two-way table value with data R +2.05
R - automatically rename column names to name.x name.y with cbind +1.44
Extend an irregular sequence and add zeros to missing values -0.26
Two columns from a single column values in r +0.35
Extraction of rows with condition using R -0.22
How can I get the time of a crawled tweet ? Or crawl tweets for a s... 0.00