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Rating Stats for

Ronak Shah

Rating
1624.06 (999th)

Reputation
80,694 (1,021st)

Page: 1 ... 53 54 55 56 57 ... 233

Title	Δ
Select columns in a data frame with Negative Values	+0.37
Failure to rename duplicate column names with dplyr rename() and re...	+0.37
Use Regular expressions extract specific characters	+2.08
R how to choose and do calculation for a pair of years in each grou...	0.00
Most elegant ways to add a few empty rows into a data frame in R?	-0.75
How would I go about joining or merging data frames of different si...	0.00
Creating Event Onset Variable	-2.25
How to get a vector of all dates in the current month	+0.36
In R exclude character in string when shorter version exists	0.00
mutate data frame to check if data duplicate between two data frame	+0.37
read.xlsx2 \| Skipping if sheetName does not exist	0.00
How do I subtract Date column given as a character in R?	+2.11
Randomise blocks of values	0.00
How to use a for loop in R to create multiple plots	0.00
Pass a list containing list names to `pmap` function in R and name...	-0.46
R using distinct() with variable column header	-0.43
Remove columns based on a its cumsum	+1.71
Can't figure out how to format a for loop with if statements	-0.42
How to build data.frame from text contained in one single column?	0.00
Identifying where Remark column changes in R data.frame based on ti...	-0.61
Apply a function on columns, without the result replacing the colum...	0.00
Strange character behavior in str_replace_all when used with setNames	-2.25
R dplyr/array demean adding a column with the rowmeans	0.00
Collapse rows by group based on multiple conditions (time differenc...	0.00
Dividing each row by the previous one in R	-1.34
How do you extract elements beside sub-elements from a list in R?	-2.42
How to identify and retrieve multiple patterns from multiple texts?	-1.50
How do I "restart" cur_group_id() in R	0.00
R: is there an R equivalent for df.info() of pandas (Python)?	0.00
Timestamps difference	+1.52
Left join on column that has the highest value	+1.53
R: formatting two-way tabulations for all variables, only vary one	0.00
How to split a string into regular intervals in R?	+1.29
Double looping to get a dataframe in R (tidyverse)	+1.49
TryCatch exception handling in R	0.00
How to drop unused value labels in crosstabulations table outputs u...	0.00
Insert rows in dataframe based on condition - the Tidyverse way	0.00
How to get the difference between groups with a dataframe in long f...	0.00
Perform lm() for each row of a data.frame, where predictor lengths...	0.00
How do I use data.table completely with variables?	0.00
How to apply correlation to specified vectors, iterating through li...	0.00
How to test if any value in a data frame is above limit	-1.67
For a 4x6 matrix m in R, is there any difference between m[1:4,] an...	0.00
Assign 'filename' column to dataframe based on row ID	0.00
Delete first calendar month of each group in data.table	+0.67
R calculating the sum of values according to condition	-0.37
Random sample from multiple columns	0.00
How to lookup items from one dataframe in another dataframe based o...	0.00
Recode (car) not working to convert NA's to 0 and values to 1	0.00
validation column of two data frame	0.00