Lucebra
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Бағдарламалау/Деректер туралы ғылым/FEATURE ENGINEERING

Penataan Fitur Langkah demi Langkah: Persiapan Data ML

Data yang Hilang, Skalasi, Ekstraksi Fitur, Seleksi, Teknik Lanjutan & Penataan Fitur Otomatis

Барлық деңгейлер • 22 Дәрістер • Өмір бойы қол жеткізу
Dr. Amar Massoud

Тексерілген шебер нұсқаушы

Penataan Fitur Langkah demi Langkah: Persiapan Data ML
ТРЕЙЛЕР
Нұсқаушымен танысыңыз: Dr. Amar Massoud

19 ms

5.0 / 5.0
Жаһандық рейтинг
1
Белсенді студенттер
Ағылшын тілі (Америка Құрама Штаттары)
99 Тілдер субтитрлері
1 сағ 37 мин
Жалпы мазмұн

Сіз не үйренесіз

Memahami dan menerapkan teknik penataan fitur untuk meningkatkan akurasi model.
Mengidentifikasi dan mengurangi bias, memastikan seleksi fitur yang adil dan etis.
Mengimplementasikan penataan fitur otomatis menggunakan perpustakaan seperti FeatureTools.
Mengakses dan mendokumentasikan versi fitur untuk reproduksi dan kolaborasi.

Курстың мазмұны

10 бөлімдер • 22 дәрістер • 01:37:25 жалпы ұзындығы

Introduction

06:05

Master feature engineering for machine learning with a practical, hands-on approach, applying techniques from basic feature creation to PCA, imputation, encoding, regularization, and cross-validation using Python code.

Our Use Case - Housing Price Prediction Dataset

03:01

Apply feature engineering to a housing price dataset by median imputation for missing values, one-hot encoding neighborhoods, creating house age, log-transforming square footage, correlation analysis, and standardizing data.

Types of Features and Domain Knowledge

03:24

Identify and transform feature types—categorical, numerical, temporal, and text—to improve machine learning models. Leverage domain knowledge to guide feature creation, selection, and interaction terms for better performance and interpretability.

Handling Missing Data

09:03

Learn strategies to handle missing data, from mean, median, and mode imputation to modeling-based approaches like KNN and regression. Apply these to numerical and categorical features, including frequent category imputation.

Feature Transformation

01:57

Explore feature transformation techniques for machine learning, including scaling, normalization, log and power transformations, binning, and one hot encoding for categorical data.

Scaling and Normalization

05:40

Learn to scale and normalize features using standardization to zero mean and unit variance or min-max normalization to 0–1, improving model training on housing data.

Log Transformation, Power Transformation

05:16

Binning Numerical Variables

03:36

One-Hot Encoding vs. Label Encoding

04:07

Compare one-hot encoding and label encoding for transforming categorical data into numerical features, weighing dimensionality against potential ordinal assumptions in different datasets.

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Оқу жолыңызды жоспарлаңыз
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Талаптар

Pemahaman dasar tentang Python dan konsep pembelajaran mesin.

Familiar dengan Pandas dan Scikit-learn.

Pengalaman dasar bekerja dengan dataset disarankan.

Tidak diperlukan pengalaman penataan fitur lanjutan.

Мақсатты аудитория

Data science enthusiasts looking to deepen their skills in feature engineering.

Beginner and intermediate data scientists aiming to improve model performance.

Machine learning practitioners who want practical, hands-on experience.

Developers interested in ethical AI and responsible data practices.

Бұл курс туралы

Buka potensi penuh model mesin Anda dengan kursus komprehensif kami tentang Penataan Fitur. Dirancang untuk penggemar ilmu data, praktisi mesin belajar, dan pengembang, kursus ini mencakup teknik penataan fitur esensial dan lanjutan yang akan meningkatkan kinerja, akurasi, dan interpretabilitas model Anda.

Dari menangani data yang hilang dan transformasi fitur hingga penataan fitur otomatis dengan perpustakaan seperti FeatureTools, Anda akan mempelajari keterampilan untuk membuat fitur yang kuat dan relevan. Temukan teknik kunci seperti skalasi, normalisasi, pengkodean satu-panas, dan ekstraksi fitur. Pahami kapan menerapkan fitur polinomial dan interaksi untuk mengungkap pola yang lebih dalam, serta memanfaatkan fitur berbasis waktu untuk data seri waktu. Kursus ini juga memperkenalkan pertimbangan etis penting, menunjukkan kepada Anda cara menghindari bias, memastikan keadilan, dan meningkatkan interpretabilitas dalam fitur Anda.

Melalui contoh praktis, kasus penggunaan konsisten di dunia nyata, dan kode Python untuk setiap metode, Anda akan memperoleh pengalaman praktis yang dapat Anda terapkan segera. Anda juga akan mempelajari praktik terbaik untuk dokumentasi dan kontrol versi, memastikan fitur Anda terorganisir dan dapat direproduksi. Terakhir, dengan teknik pembelajaran berkesinambungan dan iterasi, Anda dilengkapi untuk menjaga model Anda relevan dan efektif seiring evolusi data.

Baik Anda ingin memperhalus keterampilan penataan fitur atau mengotomatiskan alur kerja Anda, kursus ini menyediakan pengetahuan dan alat untuk membangun model berkinerja tinggi dan etis. Bergabunglah hari ini dan mengambil langkah menuju penguasaan penataan fitur dalam pembelajaran mesin!

Мансап мүмкіндіктері және мақсатты лауазымдар

Тәжірибелік дағдыларды меңгеріп, халықаралық сұранысқа ие лауазымдарға өтініш беріңіз

Мансапқа дайын оқу бағдарламасы
Сіз өтініш бере алатын лауазымдар

AI Solutions Engineer

Data Science Consultant

Machine Learning Practitioner

AI Workflow & Automation Specialist

Болжамды жылдық жалақы
$105,000 – $165,000 / yr
Жаһандық нарық сұранысы

Fastest Growing Worldwide (#1)

Сіз игеретін негізгі дағдылар
Model Fine-Tuning & Evaluation
Data Pipelines & Vector Analysis
Applied Generative AI Architecture
Predictive Analytics & Deployment
* Бағалау халықаралық технологиялық жалақы есептеріне негізделген.
Оқытушыңызбен танысыңыз
Dr. Amar Massoud
5.0 Рейтинг
5 Студенттер
Profili Görüntüle
Dr. Amar Massoud
Бас нұсқаушы
PhD in computer science and IT manager with 36 years technical experience in various fields including IT Security, IT Governance, IT Service Management , Software Development, Project Management, Business Analysis and Software Architecture. I hold 80+ IT certifications such as : ITIL 4 Master, ITIL 3 Expert ISO 27001 Auditor, ComptIA Security+, GSEC, CEH, ECSA, CISM, CISSP, CISA PGMP, MSP PMP, PMI-ACP, Prince2 Practitioner, Praxis, Scrum Master COBIT 2019 Implementor, COBIT 5 Assessor/Implementer TOGAF certified Lean Specialist, VSM Specialist PMI RMP, ISO 31000 Risk Manager, ISO 22301 Lead Auditor PMI-PBA, CBAP Lean Six Sigma Black Belt, ISO 9001 Implementer Azure Administrator, Azure DevOps Expert, AWS Practitioner And many more....

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