heronshoes

開発コンテナ(Development Containers)を使おう

• すごい広島 .rb with Python [76]
• 2023年7月26日
• @heronshoes (鈴木弘一)

自己紹介

• 鈴木 弘一

heronshoes

heronshoes

Rubyアソシエーション開発助成2022 中間報告 [RedAmber - A simple dataframe library for Ruby]

　Red ArrowをベースとしたデータフレームライブラリであるRed Amberについて、下記の項目で開発に取り組んでいる。ここでは期間前半の取り組みの成果について報告する。

期間前半では下記のリリースを行なった。変更履歴とリリースノートは下記の通り。

• v0.2.3 (2022-11-16)
• v0.3.0 (2022-12-18)

活動内容を下記の項目に分けて報告する。

heronshoes

これは、JIRAを使わないGitHubオンリーのRed Arrowへのパッチを送る手順をまとめたものです。 （公式のマニュアルが未だなので、変更があるかもしれません。お気づきの点がございましたら、ご指摘願います。）

1. Issueの種類の選択

https://github.com/apache/arrow/issues に新規のIssueを立てる。 New Issueをクリックすると、

• Bug Report : File a bug report
• Enhancement Request : Request an enhancement to the project
• Usage Question : Ask a question
• Report a security vulnerability : Please review our security policy for more details.

heronshoes

heronshoes

Comparing between RedAmber, dplyr/tidyr and pandas (tentative)

This is the comparison of basic feature between RedAmber and other major DataFrame libraries, comparing only for the method 'verbs' ignoring parameters and options.

Remarks:

1. dataframe represents 2D data containers such as DataFrame, tibble or Table.
2. vector represents 1D data containers such as Vector, Series or Column.

Select columns (variables)

heronshoes

heronshoes

Answering @zverok 's amazing expectation for DataFrame

This is an answering comments for @zverok 's amazing expectation for DataFrame. I was very impressed to know how my DataFrame library matched his expectations.

Foreword: My RedAmber's DataFrame

Class RedAmber::DataFrame represents 2D-data.

A DataFrame consists with:

heronshoes

red-data-tools / red-datasets #139

Fix Rdatasets#each to change "NA" to nil.

• This is the data preview after this fix applied.
• 265 datasets are fixed.

# [package, dataset] pairs
[["AER", "BenderlyZwick"], ["AER", "GrowthDJ"], ["AER", "GSS7402"], ["AER", "MASchools"], ["AER", "STAR"], ["AER", "USMacroG"], ["AER", "USMacroSWM"], ["AER", "USSeatBelts"], ["asaur", "hepatoCellular"], ["boot", "neuro"], ["boot", "urine"], ["carData", "Chile"], ["carData", "Davis"], ["carData", "Freedman"], ["carData", "GSSvocab"], ["carData", "Hartnagel"], ["carData", "UN"], ["carData", "UN98"], ["causaldata", "abortion"], ["causaldata", "adult_services"], ["causaldata", "auto"], ["causaldata", "close_college"], ["causaldata", "nhefs"], ["causaldata", "nhefs_complete"], ["causaldata", "scorecard"], ["causaldata", "social_insure"], ["causaldata", "thornton_hiv"], ["cluster", "animals"], ["cluster", "plantTraits"], ["cluster", "votes.repub"], ["COUNT", "loomis"], ["COUNT", "ships"], ["DAAG", "bomregions"], ["DAAG", "

heronshoes

red-data-tools / red-datasets #140

Fix Rdatasets#each to change String datatype for mixed data of Numeric and String.

• This is the data preview after this fix applied.
• 55 datasets are fixed.

# [package, dataset] pairs
[["AER", "ResumeNames"], ["boot", "tau"], ["carData", "Blackmore"], ["causaldata", "restaurant_inspections"], ["causaldata", "ri"], ["causaldata", "training_example"], ["DAAG", "biomass"], ["DAAG", "hotspots"], ["DAAG", "rockArt"], ["datasets", "attenu"], ["dragracer", "rpdr_ep"], ["drc", "germination"], ["Ecdat", "Mathlevel"], ["Ecdat", "Schooling"], ["gap", "aldh2"], ["gap", "cnv"], ["gap", "mao"], ["ggplot2", "mpg"], ["ggplot2movies", "movies"], ["gt", "gtcars"], ["HistData", "Pyx"], ["MASS", "Cars93"], ["mosaicData", "Galton"], ["mosaicData", "HELPfull"], ["nycflights13", "airports"], ["nycflights13", "planes"], ["openintro", "birds"], ["openintro", "cards"], ["openintro", "cpu"], ["openintro", "epa2012"], ["openintro", "epa2021"], ["openintro", "kobe_basket"], ["openintro",