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ldat (version 0.3.3)

Large Data Sets

Description

Tools for working with vectors and data sets that are too large to keep in memory. Extends the basic functionality provided in the 'lvec' package. Provides basis statistical functionality of 'lvec' objects, such as arithmetic operations and calculating means and sums. Also implements 'data.frame'-like objects storing its data in 'lvec' objects.

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Install

install.packages('ldat')

Monthly Downloads

48

Version

0.3.3

License

GPL-3

Issues

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Stars

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Maintainer

Jan der Laan

Last Published

March 13th, 2020

Functions in ldat (0.3.3)

ldat

Create an ldat object
lget.ldat

Read elements from an ldat object
match

Value matching
quantile.lvec

Calculate the quantiles of an lvec
lset.ldat

Set values is an ldat object
slice_range

Select a range of records from an object
table

Give the `TRUE` indices of an lvec
order.ldat

Order an ldat
partial_sort

Partial sort an lvec
sort.ldat

Sort an ldat
[.lvec

Indexing of lvec objects
is.na.lvec

Simple elementwise functions
chunkwise

Process an lvec in chunks
table.lvec

Create cross tables from lvec objects
median.lvec

Calculate the median of an lvec
all.lvec

Basic summary functions for lvec objects
chunk.ldat

Generate a number of index ranges from an ldat object
Math.lvec

Implementation of Math group generics for lvec
generate

Generate an lvec with (random) values
as_ldat

elementwise

Apply a function to each element of an lvec
append

Append a vector to an lvec
Ops.lvec

Implementation of Ops group generics for lvec
clone.ldat

Clone an ldat object
duplicated.lvec

Find duplicates in a vector