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Rating Stats for

Ronak Shah

Rating
1624.06 (999th)

Reputation
80,694 (1,021st)

Page: 1 ... 217 218 219 220 221 ... 233

Title	Δ
add x lagged value to a tbl	0.00
Moving data from right to left column in a tibble	+1.79
R: how to use apply to loop over variables in a data.frame	-0.61
Counting number of records with condition	+0.39
Plot a Bar Chart based on Row Names	0.00
Dealing with missing values when calculating weighted mean	+1.47
Corr between every nth variable	0.00
Add a new column and group attributes	+0.63
extracting names and numbers using regex	+1.65
Implementation of LIFO in converting comma separated row values int...	+0.27
How do I refer to multiple columns in a dataframe expression?	0.00
Find most recent file in a directory (in Windows System) in R	0.00
identifying location of NA values in a data frame by ID (not row nu...	+1.27
Function to create Padovan sequence	+0.95
Speeding up operation on matrix columns in R	+0.92
ggplot2 using open or closed circles	-0.58
Define quartiles and their names	0.00
Converting a list of data frames: not a simple rbind, second row to...	+1.30
filter rows when all columns greater than a value	0.00
R: Check whether elements of vectors are inside intervals given by...	-0.08
Count number of rows in another dataframe	+0.86
Conditional statement in sum() function of R	0.00
How can I change the indices of an R vector?	-0.75
Find closest value in list in R	+1.87
Using a 2D array as an index to a 3D array	-1.26
find groups represented in multiple tests	0.00
Add column names to expand.grid	0.00
Filtering the whole group contains min value	-1.71
Count records grouped by and conditioned	0.00
How to mutate a column given a dataframe that has the conditions?	0.00
Create data frame and specify row/column names in a single operation	-0.21
Get back values from column if two other columns dont meet filter c...	-0.18
Find if the string has two slashes and replace it	0.00
Reducing number of factor levels before modelling	-1.56
match multiple column with row value from another frame based on date	+1.79
Dynamic groupby function with brackets	0.00
Regex to detect if all alphabetic characters are upper case	-0.45
Paste data frame without changing into factor levels	+0.94
Extract strings in round brackets using regex in R	+0.15
summarizing temperature data based on a vector of temperature thres...	-1.86
Filtering data relative to first and last occurance of an event	-2.30
Number of categories not equal to a specific one	+1.03
use value from a col to choose value from another col, put into new...	+0.08
Give back all rows from certain type based on only one criteria in...	+0.15
Replace all characters, except the first, in every word of a string...	-1.71
Mutate group of columns based on values in other group of columns	0.00
Adding to columns with paste in mutate_at	0.00
how to count the lower triangle elements in a matrix	-0.60
Use group size (`group_size`) in `summarise` in `dplyr`	+1.89
Split a column of character vectors and return a list	0.00