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statar (version 0.1.1)

Tools Inspired by Stata to Clean, Explore and Join Datasets

Description

statar makes it easier to work with tabular datasets. statar includes a set of functions to clean and summarize variables, to join datasets with an SQL-syntax, and to manipulate datasets with a panel structure (elapsed dates, lead/lag, fill rows for missing dates, fill in missing values). statar is based on the data.table package and is inspired by Stata.

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Install

install.packages('statar')

Monthly Downloads

580

Version

0.1.1

License

GPL-2

Issues

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Repository

https://github.com/matthieugomez/statar

Maintainer

Matthieu Gomez

Last Published

October 26th, 2014

Functions in statar (0.1.1)

Create unique names within a list, a data.frame, or an environment

Bin a numeric vector and return integer codes for the binning (corresponds to Stata command xtile)

Add rows corresponding to gaps in some variable

Elapsed dates (weekly, monthly, quarterly)

Gives summary statistics (corresponds to Stata command summarize)

Creates a vector of zero except for one subscript

Version of mutate_each that (i) transforms data.table in place (ii) allows by, i condition (iii) when only when fun, creates new variables - except when replace = TRUE

Winsorize a numeric vector

A package for applied research

Keep only certain columns in place

Join two data.tables together

floor_date Round date-times down.

Demean a vector

Experimental function to graph a dataset

Statistical mode

Version of mutate that (i) transforms data.table in place (ii) allows by, i condition

returns duplicated rows

fill NA in place based on non missing observations

Retain certain columns of a data.table in place (= Stata keep).

Drop certain columns in place

find_duplicates

returns duplicated rows

Apply rollling functions with respect to a time variable

String and expression interpolation