Last data update: 2014.03.03
Data Source
Data Type
Classification
Cran Task View
BiocViews
SMO (statistical methods ontology)
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copy_to.src_sql
(Package: dplyr ) :
Copy a local data frame to a sqlite src.
● Data Source:
CranContrib
tbl
(Package: dplyr ) :
Create a table from a data source
● Data Source:
CranContrib
Performs standard operations that should happen before individual methods process the data. This includes mutating the tbl to add new grouping columns and updating the groups (based on add)
● Data Source:
CranContrib
group_by
(Package: dplyr ) :
Group a tbl by one or more variables.
group_by function takes an existing tbl and converts it into a grouped tbl where operations are performed "by group".
● Data Source:
CranContrib
These functions allow you to select variables based on their names.
● Data Source:
CranContrib
tbl_df
(Package: dplyr ) :
Create a data frame tbl.
as_data_frame, see tibble-package for more details.
● Data Source:
CranContrib
n
(Package: dplyr ) :
The number of observations in the current group.
summarise, mutate and filter
● Data Source:
CranContrib
testing
(Package: dplyr ) :
Infrastructure for testing dplyr
test_load to load an existing data frame into each source. To create a new table in each source, use test_frame.
● Data Source:
CranContrib
nycflights13
(Package: dplyr ) :
Database versions of the nycflights13 data
nycflights13 database in a local database, for use in examples and vignettes. Indexes are created to making joining tables on natural keys efficient.
● Data Source:
CranContrib
join.tbl_df
(Package: dplyr ) :
Join data frame tbls.
join for a description of the general purpose of the functions.
● Data Source:
CranContrib
providing 
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