All Dplyr Solutions on Gang of Coders

Total of 92 Dplyr Solutions

data.table vs dplyr: can one do something well the other can't or does poorly?

R data.table Dplyr

Filter rows which contain a certain string

Display / print all rows of a tibble (tbl_df)

R Dplyr Options Display

Use dynamic name for new column/variable in `dplyr`

Extract a dplyr tbl column as a vector

R Dplyr Lazy Evaluation Collect

Can dplyr package be used for conditional mutating?

R If Statement Case When Dplyr

Relative frequencies / proportions with dplyr

R Group By Dplyr Frequency

Fixing a multiple warning "unknown column"

How to interpret dplyr message `summarise()` regrouping output by 'x' (override with `.groups` argument)?

R Dplyr Summarize

What does %>% function mean in R?

R Syntax Dplyr Magrittr R Faq

Select first and last row from grouped data

Group by multiple columns in dplyr, using string vector input

Summarizing multiple columns with dplyr?

R Dplyr Aggregate

Remove duplicated rows using dplyr

Sum across multiple columns with dplyr

How to select the rows with maximum values in each group with dplyr?

R Dplyr Plyr Greatest N-per-Group

Can dplyr join on multiple columns or composite key?

Applying a function to every row of a table using dplyr?

Change value of variable with dplyr

R Dataframe Plyr Dplyr

Replacement for "rename" in dplyr

Error: could not find function "%>%"

R Dplyr Magrittr

R Conditional evaluation when using the pipe operator %>%

R Dplyr Ggvis Magrittr

filter for complete cases in data.frame using dplyr (case-wise deletion)

R Dplyr Magrittr

R dplyr: Drop multiple columns

Gather multiple sets of columns

R Reshape Dplyr Qualtrics Tidyr

dplyr summarise: Equivalent of ".drop=FALSE" to keep groups with zero length in output

R Dplyr Plyr Tidyr

Count number of rows by group using dplyr

R Dplyr Count Plyr

Getting the top values by group

R data.table Dplyr

How to specify names of columns for x and y when joining in dplyr?

R Join Left Join Dplyr

dplyr mutate with conditional values

R spreading multiple columns with tidyr

R Dataframe Dplyr Tidyr

Pass a string as variable name in dplyr::filter

Extract row corresponding to minimum value of a variable by group

R Dplyr data.table Aggregate

Find duplicated elements with dplyr

dplyr: "Error in n(): function should not be called directly"

R Function Plyr Dplyr Conflicting Libraries

Select columns based on string match - dplyr::select

dplyr mutate/replace several columns on a subset of rows

R data.table Dplyr

How to get summary statistics by group

R Dplyr Stat Summarize S

Filter multiple values on a string column in dplyr

R Dplyr String Matching Multiple Conditions

dplyr on data.table, am I really using data.table?

R data.table Dplyr

Use pipe operator %>% with replacement functions like colnames()<-

R Dplyr Magrittr

Removing NA in dplyr pipe

R move column to last using dplyr

dplyr::select one column and output as vector

R Select Vector Dataframe Dplyr

dplyr change many data types

R Dataframe Dplyr

Get dplyr count of distinct in a readable way

Create new variables with mutate_at while keeping the original ones

Can dplyr summarise over several variables without listing each one?

dplyr filter: Get rows with minimum of variable, but only the first if multiple minima

Set certain values to NA with dplyr

How to create a lag variable within each group?

R data.table Plyr Dplyr

Changing factor levels with dplyr mutate

How to specify "does not contain" in dplyr filter

Fitting several regression models with dplyr

dplyr mutate rowSums calculations or custom functions

dplyr summarise_each with na.rm

Applying group_by and summarise on data while keeping all the columns' info

How to perform multiple left joins using dplyr in R

dplyr::select function clashes with MASS::select

dplyr: nonstandard column names (white space, punctuation, starts with numbers)

R Dataframe Dplyr

Why are my dplyr group_by & summarize not working properly? (name-collision with plyr)

R Plyr Dplyr Shadowing Name Collision

How does one stop using rowwise in dplyr?

Summarize all group values and a conditional subset in the same call

Pass arguments to dplyr functions

R Dplyr Lazy Evaluation

Using functions of multiple columns in a dplyr mutate_at call

How to replace all NA in a dataframe using tidyr::replace_na?

standard evaluation in dplyr: summarise a variable given as a character string

mutate_each / summarise_each in dplyr: how do I select certain columns and give new names to mutated columns?

R Dataframe Dplyr

dplyr: how to reference columns by column index rather than column name using mutate?

Arranging rows in custom order using dplyr

R Dplyr Data Manipulation

Concatenate strings by group with dplyr

Select unique values with 'select' function in 'dplyr' library

R Select Unique Dplyr

dply: order columns alphabetically in R

R Dataframe Dplyr

case_when in mutate pipe

Using dplyr window functions to calculate percentiles

Create a ranking variable with dplyr?

Reorder rows using custom order

R dplyr: rename variables using string functions

Regex R Rename Dplyr

Avoiding type conflicts with dplyr::case_when

R Dplyr Data Cleaning

Removing NA observations with dplyr::filter()

Conditionally Count in dplyr

dplyr: lead() and lag() wrong when used with group_by()

dplyr issues when using group_by(multiple variables)

R Group By Dplyr Compound Key

select columns based on multiple strings with dplyr contains()

R Regex Dplyr Matching Multiple Matches

How to group by all but one columns?

Correct syntax for mutate_if

How to add a cumulative column to an R dataframe using dplyr?

R Dataframe Dplyr

dplyr: How to use group_by inside a function?

R Dplyr Tidyeval Nse

Finding percentage in a sub-group using group_by and summarise

R Group By Dplyr

"Adding missing grouping variables" message in dplyr in R

Replace missing values (NA) with most recent non-NA by group

Override column types when importing data using readr::read_csv() when there are many columns

R Csv File Io Dataframe Dplyr