- 具有 Python 程式設計經驗
- 對統計學和數學概念有基本的瞭解
觀眾
- 開發人員
- 數據科學家
機器學習是人工智慧的一個分支,其中計算機具有無需明確程式設計即可學習的能力。
深度學習是機器學習的一個子領域,它使用基於學習數據表示和結構(如神經網路)的方法。
Python 是一種高級程式設計語言,以其清晰的語法和代碼可讀性而聞名。
在這個以講師為主導的現場培訓中,參與者將學習如何使用Python實施電信深度學習模型,同時逐步創建深度學習信用風險模型。
在培訓結束時,參與者將能夠:
- 瞭解深度學習的基本概念。
- 瞭解深度學習在電信中的應用和用途。
- 使用 Python、Keras 和 TensorFlow 創建電信深度學習模型。
- 使用 Python 構建自己的深度學習客戶流失預測模型。
課程形式
- 互動講座和討論。
- 大量的練習和練習。
- 在現場實驗室環境中實際實施。
課程定製選項
- 如需申請此課程的定製培訓,請聯繫我們進行安排。
應用材料簡介 Machine Learning
- 統計學習與機器學習
- 反覆運算和評估
- 偏差-方差權衡
- 監督學習與無監督學習
- 使用 Machine Learning 解決的問題
- 訓練驗證測試 – ML 工作流,以避免過度擬合
- Machine Learning的工作流程
- 機器學習演算法
- 為問題選擇適當的演算法
演演算法評估
- 評估數值預測
- 精度測量:ME、MSE、RMSE、MAPE
- 參數和預測穩定性
- 評估分類演算法
- 準確性及其問題
- 混淆矩陣
- 班級不平衡問題
- 可視化模型性能
- 利潤曲線
- ROC曲線
- 提升曲線
- 選型
- 模型調優 – 網格搜索策略
建模的數據準備
- 數據導入和存儲
- 了解數據 – 基本探索
- 使用 pandas 庫進行數據操作
- 數據轉換 – 數據整理
- 探索性分析
- 缺失觀測值 – 檢測和解決方案
- 異常值 – 檢測和策略
- 標準化、歸一化、二值化
- 定性數據重新編碼
用於異常值檢測的機器學習演算法
- 監督演算法
- KNN系列
- 集成梯度提升
- SVM公司
- 無監督演算法
- 基於距離
- 基於密度的方法
- 概率方法
- 基於模型的方法
瞭解 Deep Learning
- Deep Learning的基本概念概述
- 區分 Machine Learning 和 Deep Learning
- Deep Learning 的應用概述
Neural Networks概述
- 什麼是 Neural Networks
- Neural Networks 與回歸模型
- 瞭解 Mathematical 基礎和學習機制
- 構建人工神經網路
- 了解神經節點和連接
- 處理神經元、層以及輸入和輸出數據
- 瞭解單層感知器
- 監督學習和無監督學習之間的區別
- 學習前饋和反饋 Neural Networks
- 瞭解前向傳播和反向傳播
使用 Keras 構建簡單的 Deep Learning 模型
- 創建 Keras 模型
- 瞭解您的數據
- 指定 Deep Learning 型號
- 編譯模型
- 擬合您的模型
- 使用分類數據
- 使用分類模型
- 使用模型
使用 TensorFlow 執行 Deep Learning
- 準備數據
- 下載數據
- 準備訓練數據
- 準備測試數據
- 縮放輸入
- 使用佔位元和變數
- 指定網路架構
- 使用成本函數
- 使用優化器
- 使用初始值設定項
- 擬合神經網路
- 構建圖表
- 推理
- 損失
- 訓練
- 訓練模型
- 圖表
- 會議
- 火車環路
- 評估模型
- 構建評估圖
- 使用 Eval Output 進行評估
- 大規模訓練模型
- 使用 TensorBoard 視覺化和評估模型
Deep Learning在異常檢測中的應用
- 自動編碼器
- 編碼器 - 解碼器架構
- 重建損失
- 變分自動編碼器
- 變分推理
- 生成對抗網路
- 生成器 – 鑒別器架構
- 使用 GAN 的 AN 方法
集成框架
- 結合不同方法的結果
- Bootstrap 聚合
- 平均異常值分數
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