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まずはアプリのご紹介
ターゲット:釣りに行きたいひと
課題:明日めちゃくちゃ釣りに行きたい。
この時期、どこに行ったら釣れるかな?
解決法:「お魚どこ?」で過去データを
参照してみよう!
M.N.:チームリーダー
H.U.:データベース構築
Y.M.:UI設計
K.K.:データ整理
役割分担
分析方法
Javaを使いCSVで提供された情報をデータベースにしました。
※位置はOpen Location Code(6桁)を使用しました。
釣果情報 日付、位置、魚種、(海水温)
海水温情報 日付、位置、温度
釣果情報に対して海水温の情報を付加しました。
海水温と釣果情報との突き合わせは、情報上の範囲では狭すぎるため、
もう一つ広域の範囲(4桁)で行いました。
場所情報 釣り場所、位置
検索時は釣り場所の位置から釣果情報を選択し、
リストとして出せるようにしました。
利用データ
釣果データ:日付、OLC6、魚種タグ
天気データ:日付、緯度、経度、水温
釣り場スポット:釣り情報サイトを参照し、
OLC6を目視で対応づけ
データクレンジング(釣果データ)
魚種タグ:無記入データは削除、
複数記載あるものはスペースで自動分割、
カラムずれには未対応
日付:上位8桁のみ使用
OLC6:上位6桁のみ使用
工夫のポイント
大阪湾周辺の漁場をOLC6に対応、
ユーザーが釣り計画を立てるのに役立つ
曜日による釣果の違いを想定して週単位で
表示することも検討したが・・・
釣果は検索日の前後3日間の平均値を採用
こんなデータがあったらもっといい!
(釣り場に近い)沿岸部の水温データ
水温だけでなく天気や気温、風速データ
精度の高い釣果データ(絵文字とかナシ)
釣り場の範囲と紐づいた位置情報データ
アプリ継続性について
Kriging法に挑戦!?
今回は大阪近海のデータのみ使用したが、
全国の釣り場所にターゲットの
お魚がいる可能性を計算する手法として、
“Kriging法”が使えるかも…しれない!

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201619 20ハッカソンまとめ