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CyberSoft Data Analyst 08 - Predictive Analysis

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predictive-analysis's Introduction

BÀI TẬP

Cơ Bản

Thực hiện phân tích mô tả cho dữ liệu chuyến bay 'nycflights.csv':

  1. Cho cột dep_delay (khởi hành trễ).
  2. Cho cột arr_delay (đến nơi trễ).
  3. Cho cột distance (khoảng cách chuyến bay).
  4. Sử dụng linear regression xây dựng mô hình dự đoán thời gian đến nơi trễ (arr_delay) dựa vào thời gian xuất phát trễ (dep_delay) và khoảng cách (distance).

Nâng Cao

Tiếp tục với dữ liệu 'nycflights.csv':

  1. Thực hiện phân tích mô tả cho 3 cột ở trên nhưng chia theo nơi xuất phát: cột origin (gồm 3 sân bay: JFK, LGA, EWR).
  2. Chia ra làm 3 mô hình cho 3 sân bay xuất phát (JFK, LGA, EWR) và nhận xét về độ chính xác so với mô hình chung.

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