Last data update: 2014.03.03

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CranContrib
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Results 1 - 10 of 13 found.
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obj_sum (Package: tibble) : Provide a succinct summary of an object

type_sum gives a brief summary of object type. Objects that commonly occur in a data frame should return a string with four or less characters. obj_sum also includes the size of the object if is_s3_vector is TRUE.
● Data Source: CranContrib
● Keywords: internal
● Alias: is_vector_s3, obj_sum, type_sum
● 0 images

tbl_df (Package: tibble) : S3 class: tbl_df

A data frame tbl wraps a local data frame. The main advantage to using a tbl_df over a regular data frame is the printing: tbl objects only print a few rows and all the columns that fit on one screen, describing the rest of it as text.
● Data Source: CranContrib
● Keywords: internal
● Alias: tbl_df
● 0 images

frame_data (Package: tibble) : Row-wise tibble creation

Create data_frames laying out the data in rows, rather than in columns. This is useful for small tables of data where readability is important.
● Data Source: CranContrib
● Keywords:
● Alias: frame_data, tibble
● 0 images

all_equal (Package: tibble) : Flexible equality comparison for data frames.

When comparing two tbl_df using all.equal, column and row order is ignored by default, and types are not coerced. The dplyr package provides a much more efficient implementation for this functionality.
● Data Source: CranContrib
● Keywords:
● Alias: all.equal.tbl_df, all_equal
● 0 images

data_frame (Package: tibble) : Build a data frame or list.

data_frame is trimmed down version of data.frame that:
● Data Source: CranContrib
● Keywords:
● Alias: data_frame, data_frame_, lst, lst_
● 0 images

repair_names (Package: tibble) : Repair object names.

repair_names ensures its input has non-missing and unique names (duplicated names get a numeric suffix). Valid names are left as is.
● Data Source: CranContrib
● Keywords:
● Alias: repair_names
● 0 images

add_row (Package: tibble) : Add a row to a data frame

This is a convenient way to add a single row of data to an existing data frame. See frame_data for an easy way to create an complete data frame row-by-row.
● Data Source: CranContrib
● Keywords:
● Alias: add_row
● 0 images

rownames (Package: tibble) : Tools for working with row names

Generally, it is best to avoid row names, because they are basically a character column with different semantics to every other column. These functions allow to you detect if a data frame has row names (has_rownames), remove them (remove_rownames), or convert them back-and-forth between an explicit column (rownames_to_column, and column_to_rownames).
● Data Source: CranContrib
● Keywords:
● Alias: column_to_rownames, has_rownames, remove_rownames, rownames, rownames_to_column
● 0 images

as_data_frame (Package: tibble) : Coerce lists and matrices to data frames.

as.data.frame is effectively a thin wrapper around data.frame, and hence is rather slow (because it calls data.frame on each element before cbinding together). as_data_frame is a new S3 generic with more efficient methods for matrices and data frames.
● Data Source: CranContrib
● Keywords:
● Alias: as_data_frame, as_data_frame.NULL, as_data_frame.data.frame, as_data_frame.list, as_data_frame.matrix, as_data_frame.table, as_data_frame.tbl_df
● 0 images

tibble-package (Package: tibble) : Simple Data Frames

Provides a 'tbl_df' class that offers better checking and printing capabilities than traditional data frames.
● Data Source: CranContrib
● Keywords:
● Alias: tibble-package
● 0 images