Learning AI from scratch– category –
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Chapter 6
Lesson 159: Mean Squared Error (MSE)
Recap: Precision-Recall Curve (PR Curve) In the previous lesson, we discussed the PR Curve (Precision-Recall Curve), a graph that illustrates the relationship between Precision and Recall. The PR curve is particularly useful for evaluati... -
Chapter 6
Lesson 158: Precision-Recall Curve (PR Curve)
Recap: ROC Curve and AUC In the previous lesson, we discussed the ROC Curve (Receiver Operating Characteristic curve) and AUC (Area Under the Curve). The ROC curve visually evaluates the performance of binary classification models by ill... -
Chapter 6
Lesson 157: ROC Curve and AUC
Recap: F1 Score In the previous lesson, we covered the F1 Score, which combines Precision and Recall through their harmonic mean. The F1 Score is essential for evaluating the balance between precision and recall, especially when there is... -
Chapter 6
Lesson 160: Mean Absolute Error (MAE)
Recap: Mean Squared Error (MSE) In the previous lesson, we covered Mean Squared Error (MSE), which calculates the average of the squared differences between predicted and actual values. MSE emphasizes larger errors, making it a useful me... -
Chapter 5
Lesson 146: Network Data Analysis
Recap: Log Data Analysis In the previous lesson, we learned how to analyze log data generated by systems and applications, using it for performance monitoring, troubleshooting, and security enhancement. Today, we will explore network dat... -
Chapter 5
Lesson 145: Log Data Analysis
Recap: Evaluating Data Quality In the previous lesson, we discussed methods for assessing and improving data quality using criteria like accuracy, completeness, consistency, and timeliness. We learned that ensuring data reliability throu... -
Chapter 5
Lesson 144: Evaluating Data Quality
Recap: Data Security and Privacy In the previous lesson, we explored strategies for ensuring data security and privacy in the cloud, such as encryption, access control, and monitoring logs. We also discussed the importance of protecting ... -
Chapter 5
Lesson 143: Data Security and Privacy
Recap: Using Cloud Services In the previous lesson, we explored how to utilize major cloud platforms like AWS, GCP, and Azure for large-scale data processing. While cloud computing offers convenience, ensuring data security and privacy r... -
Chapter 5
Lesson 142: Using Cloud Services
Recap: The Basics of Apache Spark In the previous lesson, we learned about Apache Spark, a powerful tool for high-speed, in-memory processing and distributed data handling, making it a widely used tool for big data. Today, we’ll discuss ... -
Chapter 5
Lesson 141: The Basics of Apache Spark
Recap: Handling Big Data In the previous lesson, we discussed distributed processing frameworks like Apache Hadoop and Apache Spark for managing large-scale data efficiently. These frameworks distribute data across multiple nodes, enabli... -
Chapter 5
Lesson 140: Handling Big Data
Recap: Database Integration In the previous lesson, we learned how to integrate databases using SQL to efficiently retrieve data. SQL is a powerful tool for managing and querying structured data, but as data volumes increase, processing ... -
Chapter 5
Lesson 139: Database Integration
Recap: Building Data Pipelines In the previous lesson, we discussed Data Pipelines, covering how to automate the entire workflow from data collection, preprocessing, model training, to evaluation. By automating these steps, data processi... -
Chapter 5
Lesson 138: Building Data Pipelines
Recap: Automating Feature Engineering In the previous lesson, we explored Automating Feature Engineering using tools like FeatureTools to efficiently generate new features from data. By automating feature engineering, we save time and im... -
Chapter 5
Lesson 137: Automating Feature Engineering
Recap: Audio Data Preprocessing In the previous lesson, we covered audio data preprocessing, focusing on techniques like spectrograms and MFCCs (Mel-frequency cepstral coefficients). Spectrograms visualize the frequency components of aud... -
Chapter 5
Lesson 136: Preprocessing Audio Data
Recap: Preprocessing Image Data In the previous lesson, we covered preprocessing methods for image data, focusing on resizing, normalization, and data augmentation. These methods help standardize image data, enabling machine learning mod...
