Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Hadley Wickham"'
Autor:
Hadley Wickham
Publikováno v:
Journal of Statistical Software, Vol 59, Iss 1, Pp 1-23 (2014)
A huge amount of effort is spent cleaning data to get it ready for analysis, but there has been little research on how to make data cleaning as easy and effective as possible. This paper tackles a small, but important, component of data cleaning: dat
Externí odkaz:
https://doaj.org/article/10d611fd6e81405d8cf3f689b8dfa3a2
Publikováno v:
Journal of Statistical Software, Vol 40, Iss 02 (2011)
This paper describes an R package which produces tours of multivariate data. The package includes functions for creating different types of tours, including grand, guided, and little tours, which project multivariate data (p-D) down to 1, 2, 3, or, m
Externí odkaz:
https://doaj.org/article/cde9009d7ef34eff8650ff9638e7ae9b
Autor:
Garrett Grolemund, Hadley Wickham
Publikováno v:
Journal of Statistical Software, Vol 40, Iss 03 (2011)
This paper presents the lubridate package for R, which facilitates working with dates and times. Date-times create various technical problems for the data analyst. The paper highlights these problems and oers practical advice on how to solve them usi
Externí odkaz:
https://doaj.org/article/9df0b2d568544d11bd72e9d29bbc8646
Autor:
Hadley Wickham
Publikováno v:
Journal of Statistical Software, Vol 40, Iss 01 (2011)
Many data analysis problems involve the application of a split-apply-combine strategy, where you break up a big problem into manageable pieces, operate on each piece independently and then put all the pieces back together. This insight gives rise to
Externí odkaz:
https://doaj.org/article/6ab280a7154547029e9a3ee9d8b6c767
Autor:
Hadley Wickham
Publikováno v:
Journal of Statistical Software, Vol 21, Iss 12 (2007)
This paper presents the reshape package for R, which provides a common framework for many types of data reshaping and aggregation. It uses a paradigm of 'melting' and 'casting', where the data are 'melted' into a form which distinguishes measured and
Externí odkaz:
https://doaj.org/article/a9a309ef6dc045ae8a45f057d9385788
Publikováno v:
Advanced R Solutions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::632a82d61b049f56189266afa83fb573
https://doi.org/10.1201/9781003175414-21
https://doi.org/10.1201/9781003175414-21
