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Rating Stats for

Ronak Shah

Rating
1624.06 (999th)

Reputation
80,694 (1,021st)

Page: 1 ... 226 227 228 229 230 ... 233

Title	Δ
How to check if a factor variable has only the levels I want?	+2.19
compare current cell and previous cell in excel style without loop	-0.54
R - Combining dataframe rows on multiple conditions	+1.31
R: Applying a function to every element of a dataframe	-0.53
Loop through column of r dataframe and pair records next to each ot...	-1.63
Merge data frames with missing values by its coordinate	0.00
R - Convert nested list into dataframe	+0.70
Replace a section of vectors with values in R	0.00
R: Recode a single factor of a variable using multiple conditions	+2.27
fill one column with frequency of unique values in another	+2.48
How to see n rows after a specific row	-0.35
Fast check for each row in data.table if specific columns match a c...	-1.50
How to assign index or access index of time series objects?	-1.37
R Create a variable with the levels of grouped data	+1.81
Repeated conditional change with sapply or a loop in R	-1.64
How to select and add data to specific rows? R	+0.35
Filter group of rows based on sum of values from different column i...	-1.64
Return error message if date format isn't correct	-0.41
Looping through a dataset, comparing values to another dataset	0.00
Create a count table with unequal number to variables	+1.79
Remove "semi-duplicate" rows in R	+0.58
Recoding missing data in longitudinal data frames with R	-0.41
How to substitute multiple alphanumeric characters in R?	+2.36
Filter window with dplyr: find matching row, and keep subsequent N...	+1.68
How to use paste on column names from object?	-0.94
Subsetting multiple vectors based on a specific condition	0.00
Partitioning the data with respect to values in a column in R	-0.41
Group sequence of integers	-1.64
Leave all logs from users who have specific log (r language)	0.00
Average of list of unequal length in R	+0.06
How is "for" loop written to label elements of a numeric...	0.00
Return value conditional on characters	-1.67
How to match reverse order of two vectors in R	+2.59
R language - count of multiple columns group by one column	+2.34
Grouping and building intervals of data in R and useful visualization	0.00
Convert single column dataframe to dataframe with multiple rows and...	-1.29
Converting column with pipe delimited data into dummy variables	+2.52
Find string in data.frame	-1.02
separate list column into columns in R	+0.17
create a general command to select certain observations in a data f...	-0.65
Column name not found even it exists in a matrix	0.00
R check row for row if a combination exists in another dataframe	-0.05
Convert an r dataframe to correct format to use rep	+0.47
R's order equivalent in python	-0.44
For each row of dataframe check if duplicate values exist	+1.80
One of the factor's levels is an empty string; how to replace i...	+0.08
Conditional row summing inside of group	+0.34
Standard deviation over a list of matrices in R	-1.66
how to split data frame by time interval	-0.41
R dplyr: how to remove smaller groups?	-0.35