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R dplyr method mutate variable if exists

r dplyr

Reorder position of NA's when using group_by

r dataframe dplyr na tibble

Create an empty data.frame without specifying column names

r dataframe

First and Last value before NA

r dataframe vector logic

what's difference between "method" argument values in geom_smooth()

r ggplot2 smoothing

extracting a particular diagonal form a data frame [duplicate]

r database dataframe matrix

How to install package keras in R

r installation keras

What is the difference between sym() and parse_expr() in the rlang package?

r string evaluation rlang

plot (ggplot ?) smooth + color area between 2 curves

r plot ggplot2

Elegant way to add a bunch of similar dataframes cell wise in R?

r dplyr

How can I avoid a loop when replacing values in a dataframe by row-column indexing?

r

create pdf in addition to word docx using officer

r reporters officer

find the nearest previous negative value in a column

r dplyr

Is there a equivalent for the tidyr fill() for strings in R?

r string tidyverse

Create a 0-1 dataframe based on matching values in column names and a specific column in R

r dataframe match

Subsetting a data.table in a for loop is slower and resource hungry

Creating a new column which is a vector of other columns

r apply lapply dplyr

How to randomly split data into three equal sizes?

r random group-by dplyr divide

Progress bar for kniting documents via shiny

r shiny r-markdown

How to cut a datetime and remain the time part only

r