AWS Certified Machine Learning Study Guide. Shreyas Subramanian

Чтение книги онлайн.

СКАЧАТЬ 1.3-2. Handle ML-specific data using map reduce (Hadoop, Spark, Hive) 6, 7

      Domain 2: Exploratory Data Analysis

      Subdomain 2.1: Sanitize and Prepare Data for Modeling

Exam Objective	Chapter
2.1-1. Identify and handle missing data, corrupt data, stop words, etc.	6
2.1-2. Formatting, normalizing, augmenting, and scaling data	6
2.1-3. Labeled data (recognizing when you have enough labeled data and identifying mitigation strategies [Data labeling tools (Mechanical Turk, manual labor)])	1, 5, 6

      Subdomain 2.2: Perform Feature Engineering

Exam Objective	Chapter
2.2-1. Identify and extract features from datasets, including from data sources such as text, speech, image, public datasets, etc.	7
2.2-2. Analyze/evaluate feature engineering concepts (binning, tokenization, outliers, synthetic features, One-hot encoding, reducing dimensionality of data)	7

      Subdomain 2.3: Analyze and Visualize Data for Machine Learning

Exam Objective	Chapter
2.3-1. Graphing (scatter plot, time series, histogram, box plot)	9
2.3-2. Interpreting descriptive statistics (correlation, summary statistics, p value)	9
2.3-3. Clustering (hierarchical, diagnosing, elbow plot, cluster size)	9

      Domain 3: Modeling

      Subdomain 3.1: Frame Business Problems as Machine Learning Problems

Exam Objective	Chapter
3.1-1. Determine when to use/when not to use ML	3
3.1-2. Know the difference between supervised and unsupervised learning	4
3.1-3. Selecting from among classification, regression, forecasting, clustering, recommendation, etc.	4

      Subdomain 3.2: Select the Appropriate Model(s) for a Given Machine Learning Problem

Exam Objective	Chapter
3.2-1. XGBoost, logistic regression, K-means, linear regression, decision trees, random forests, RNN, CNN, Ensemble, Transfer learning	8
3.2-2. Express intuition behind models	8

      Subdomain 3.3: Train Machine Learning Models

Exam Objective	Chapter
3.3-1. Train validation test split, cross-validation	6
3.3-2. Optimizer, gradient descent, loss functions, local minima, convergence, batches, probability, etc.	8
3.3-3. Compute choice (GPU vs. CPU, distributed vs. non-distributed, platform [Spark vs. non-Spark]	12, 16
3.3-4. Model updates and retraining	8, 12

      Subdomain 3.4: Perform Hyperparameter Optimization

Exam Objective	Chapter
3.4-1. Regularization	8
3.4-2. Cross validation	9
3.4-3. Model initialization	8
3.4-4. Neural network architecture (layers/nodes), learning rate, activation functions	8
3.4-5. Tree-based models (# of trees, # of levels)	8 СКАЧАТЬ В начало < 6 7 8 9 10 11 12 13 > В конец