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Ronak Shah

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1624.06 (999th) 		Reputation
80,694 (1,021st)
Page: 1 ... 96 97 98 99 100 ... 233
Title Δ
How to insert 'n' columns in a matrix 0.00
How to select variables from dataframe inside other recursive dataf... -0.61
choose semi-last observations based on date in data.table in R 0.00
Issue in combining stacked bar and line graph in R using ggplot2 0.00
Column-wise element selection in R 0.00
Convert character vector to data.frame after str_extract() 0.00
R: Find a value in rows met a condition, add certain numbers to the... -0.16
tidyr unnest, prefix column names with nested name during unnesting -0.39
dplyr: access column name in mutate_at function -0.37
using if else function in R -0.40
Removing brackets and full stops from column in data frame -0.39
First time for an event and last time before +1.63
Melt dataset based on two rows using R -0.37
how to create columns in a dataframe with the values of another +0.79
How to copy from one data frame to other (empty) data frame -0.45
Expand data frame in R by duplicating and substituting variable usi... +0.37
Split dataframe into separate and apply formula to calculate transi... +1.65
cumsum with date and categorical variable in R +1.67
Subset boxplot by date -2.54
Assign values from one column to another based on levels of other f... +0.39
How to initialize empty data frame where number of columns is depen... 0.00
Add total row in r data table 0.00
From purrr::invoke_map to rlang::exec (translate behavior) 0.00
replace a url (or a string containing multiple urls) with a value r... 0.00
What is the meaning of the `~` operator in the tidyverse context? -0.63
filter variables in r studio 0.00
Determining response time in R +1.68
If statement in R combined with for 0.00
convert datetime to R (i.e May 18th) -2.35
Escape Multiple Special Characters and Line Breaks in R +1.68
Is there any way using tidyverse R to change multiple column names... +0.78
Change character to date with different format (Win and Mac) +0.38
remove groups with different count within a group - data.table in R +0.38
Reshaping data.frame with a by-group where id variable repeats 0.00
How can I remove a number of characters from the beginning and end... 0.00
map across nested data frame with mutate_at 0.00
Replacing missing values with mean from another dataset, by factor 0.00
How to calculate variables by factors? 0.00
R: how to extract column in multiple csv and then write multiple cs... -0.36
generate id for each group with repeated and missing observations -0.51
How to convert data with different levels of information into wide... 0.00
Average over columns that start with a string using dplyr -0.11
Convert all columns to character except integer, posixct and Numeric +1.69
Formatting a table based on Criteria in R 0.00
Is there a way to replace rows in one dataframe with another in R? +0.44
R create new column where the value depends on the matching of two... +1.72
For loop using names of a dataframe in R -1.21
Assigning Unique Values +1.23
How can I remove rows on more conditions in R? +1.74
Rearrange dataframe to fit longitudinal model in R -0.14