Скачать или смотреть Data Preparation & Data Cleaning | 1st Year Computer Science | Lecture 5

Lecture 5 – Chapter 5: Data Analytics (1st Year Computer Science 2025), Data Preparation & Data Cleaning | 1st Year Computer Science | Lecture
In this video, we explain Data Preparation, Data Cleaning, Data Transformation, and Handling Missing Data in simple, easy English.
This lecture is designed for ICS 1st Year (Punjab Boards – New Syllabus 2025) and is perfect for students preparing for exams.

Topics covered in this lecture:
✔️ What is Data Preparation?
✔️ Steps of Data Preparation
✔️ Data Cleaning – Errors, duplicates, missing values
✔️ Examples of cleaned vs. unclean data
✔️ Data Transformation (formatting, reorganizing, deriving new values)
✔️ Handling Missing Data (Imputation, Flagging, Removal)
✔️ Real examples for better understanding

This lecture is part of the series:
ICS 1st Year Computer Science – Chapter 5: Data Analytics

Suitable for:
ICS 11th class students
Punjab Board exam preparation
New Syllabus 2025
Teachers preparing lectures
Self-study learners

Subscribe to the channel "CS with Sir Iqbal" for more lectures:
Lectures on Python, Computer Science Theory, Practical Work, and Exam Preparation.

Download Notes: https://drive.google.com/drive/folder...
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