HirofumiYashima HirofumiYashima
HirofumiYashima
/ Python
Last active
August 29, 2017 07:38
【 Python 時系列解析 】Yahoo Finance から FTSEロンドン株価データ を 取得して、経済時系列解析 の 作業手順 を通しで行ってみる 〜 データの定常性検定 から（G）ARCHモデル推定 まで ref: http://qiita.com/HirofumiYashima/items/a5d92607bedf3d58944d
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| lb_garch = stattools.q_stat(garch_resid_acf, len(close_diff_1)) | |
| print(lb_garch) | |
| print(lb_garch[1]) |
HirofumiYashima
/ Python
Created
March 29, 2016 04:45
【Python で機械学習】ランダム・フォレスト•モデル 情報掲載 参考ウェブサイトまとめ ref: http://qiita.com/HirofumiYashima/items/b296a81ba918fac2353e
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| from sklearn.ensemble import RandomForestClassifier | |
| trainingdata = [[1, 1], [2, 2], [-1, -1], [-2, -2]] | |
| traininglabel = [1, 1, -1, -1] | |
| testdata = [[3, 3], [-3, -3]] | |
| model = RandomForestClassifier() | |
| model.fit(trainingdata, traininglabel) | |
| output = model.predict(testdata) |
HirofumiYashima
/ SWI-Prolog対話的インタプリタ環境
Last active
November 24, 2017 07:49
IBM Watson と SoftBank Pepperくん の頭脳に採用された Prolog言語 入門（２）〜 外部ファイル に 記述した「事実」＆「規則」の セット を SWI_Prolog インタプリタ に ロードして、対話的 に 質問 を 問いかけてみた ref: https://qiita.com/HirofumiYashima/items/15165b0fbb54f053ad0a
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # trial.swiファイル を ロード | |
| ['trial.swi'] | |
| # 質問問いかけ 始め | |
| female(alice). | |
| make(ben). % 打ち間違えて、未定義の述語 make を 入力 | |
| male(ben). | |
| likes(alice, ben). | |
| likes(ben, alice). | |
| owns(ben, violin) % 未定義述語 owns を 入力 （ピリオド打ち忘れ） |
HirofumiYashima
/ SWI-Prolog
Last active
November 24, 2017 07:50
IBM Watson と SoftBank Pepperくん の頭脳に採用された Prolog言語 入門（１）〜 Mac OS X Capitan に SWI-Prolog インストール して、対話型インタプリタで使ってみる ref: https://qiita.com/HirofumiYashima/items/82fc4616f1998ecddb5b
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ?- [user]. | |
| |: male(ben). | |
| |: having_dinner(ben). | |
| |: true. | |
| ?- having_dinner(X). | |
| X = ben. | |
| ?- having_dinner(ben). |
HirofumiYashima
/ 2次元配列
Last active
January 7, 2016 12:30
【 Scala 】データ取得したいカラム を 複数指定して、 SQL の cross join 的に、指定したカラム の データの全組み合わせ集合 を返す Scala コード を使ってみた（用途：ダミーデータ生成 etc.） ref: http://qiita.com/HirofumiYashima/items/a5ec4afc10918db9f648
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| [ ["あ", "い" , "う" , "え" , "お"] , ["A", "B" , "C" , "D" , "E"] , ["ア", "イ" , "ウ" , "エ" , "オ"]] |
HirofumiYashima
/ 1文書 につき 1つ、以下の数値ベクトル（リスト型オブジェクト）を生成
Last active
January 12, 2016 09:07
【 自然言語処理 】対象文書ファイル群の特徴を捉える可能性が高いトークン集合（候補）を、全出現単語集合から自動抽出する方法 ref: http://qiita.com/HirofumiYashima/items/61890a067026db99ff17
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| [単語１のtf*id値 , 単語２のtf*id値 , 単語３のtf*id値 , 単語４のtf*id値 , 単語５のtf*id値 , ... ] |
HirofumiYashima
/ file0.txt
Last active
January 11, 2017 12:46
【 キャリア × 関数型言語 】金融業界 における 関数型言語 導入実績 ～ Haskell, F#, Scala も採用されているが、LexiFi社 & Jane Street社 の成功 が 背景にあり、 OCaml の 存在感 が 強い ref: http://qiita.com/HirofumiYashima/items/98d35b40dde12bbb5d6d
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| OCaml for the Masses - ACM Queue |
HirofumiYashima
/ file0.txt
Last active
October 3, 2015 08:40
【 関数型プログラミング 】 無名関数（lambda）・ラムダ式・ラムダ計算の 呼び名 と 記法 は、なぜ lambda（ラムダ） なのか？ ～ 数理論理学の大著『プリンキピア・マテマティカ』中で 使われた カレット記号「^」 を、アロンゾ・チャーチ が ギリシャ文字「ラムダ」の大文字（Λ）に置き換えたのが由来と判明。 ref: http://qiita.com/HirofumiYashima/items/836087b649e8b10ef3ac
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| （山下 伸夫） |
HirofumiYashima
/ file0.txt
Last active
September 23, 2015 12:06
W3C が「感情のマークアップ言語」、EmotionML を導入 ~ <emotionml> タグ & <emotion>タグ を使って、ウェブページに「感情」種別と「感情の強弱 度合い」が記述可能になった ref: http://qiita.com/HirofumiYashima/items/682b9ce686c024af1739
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <emotionml xmlns="http://www.w3.org/2009/10/emotionml" | |
| xmlns:meta="http://www.example.com/metadata" | |
| category-set="http://www.w3.org/TR/emotion-voc/xml#everyday-categories"> | |
| <emotion> | |
| <category name="Anger" values="0.97"/> | |
| 'I've got angry, Umhhhhhh !!!!!' | |
| </emotion> | |
| </emotionml> |
HirofumiYashima
/ JSON
Last active
November 25, 2017 23:53
Google はどうやって、ソーシャルグラフ データベースを構築しているのか？ 〜 FOAF "Friend of a Friend" タグ と XFN "Xhtml Friends Network" タグ に クロール収集 をかけている ref: https://qiita.com/HirofumiYashima/items/22c0d65253e68ad592a2
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "canonical_mapping": { | |
| "http://twitter.com/zaki": "http://twitter.com/zaki" | |
| }, | |
| "nodes": { | |
| "http://twitter.com/zaki": { | |
| "attributes": { | |
| "url": "http://twitter.com/zaki", | |
| "profile": "http://twitter.com/zaki", | |
| "rss": "http://twitter.com/statuses/user_timeline/zaki.rss", |
NewerOlder