MOPCON
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    # 機器學習正夯,不是數理出身的我也該跳下去學嗎? - 張漢育 {%hackmd CtA3qhz_RMS-TdMLw6dyqw %} :::success + [投影片連結](https://docs.google.com/presentation/d/15NQk_hFsD6g_TtmTTkB1nrd0eSiir_jU/edit?usp=sharing&ouid=117739111927298714054&rtpof=true&sd=true) + [議程問卷連結](https://forms.gle/QgQMvanFL1X9RbYN6) + [Sli.do 連結](https://app.sli.do/event/amvzvnqe) ::: > 從這開始 ###### tags: `MOPCON 2021` ## 傳統軟體專案 V.S. 機器學習專案 比起傳統軟體專案固定的需求,機器學習專案還多了取得資料、探索資料、模型選擇、監控與訓練等 ## 團隊成員 1. Programmer Product Manager Testing 2. Data Scientist ## AI的案例 Netflix: AlphaGO 韓劇Startup 讓AI當我們的Pair-Programmer ## 歷史演進 人工智慧->機器學習->深度學習 ## 機器學習的方式 1. 監督式學習 e.g. 給予機器有標籤的資料或照片,給機器辨識究竟為蘋果或橘子,通常與回歸與分類有關聯 2. 非監督式學習 e.g. 沒有標籤的資料,讓機器自己去找出答案 3. 強化式學習 e.g. 機器透過環境互動學習,告知每一步對錯並給予回饋,讓機器修正結果,例如教AI玩GOOGLE恐龍遊戲 ## 機器學習流程 1. 取得資料集 載入資料,確認標籤 2. 資料清洗 使用kernal來讓資料能被電腦判讀 3. 特徵擷取 切割資料,70%訓練資料集,30%測試資料集 4. 模型訓練 例如使用random forest,設定好變數後開始跑 5. 模型評估 矩陣圖,看成功比率偏高的位於何處,對角線數字越大越好 6. 模型推論 ## 資料來源 & 資料集: THE MNIST DATABASE (Training Set: 60,000 Testing Set: 10,000) 精通機器學習 使用SCIKIT-LEARNING KERAS與TENSORFLOW 深度學習必讀 Keras大神 李宏毅老師的課程 CKIP ## 現實與理想的差距 * 從零開始快樂學習(張三丰打太極XDD) * 與資料科學家合作 * 身在礦山卻挖無礦 因為部門gap,需要打破部門隔閡才能有資料去分析 情緒分析的案例,無法有標籤 * 資料分布不夠平均 * 繁體中文資源不足

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