Yitong ReninTowards Data ScienceA Step-by-Step Implementation of Gradient Descent and BackpropagationOne example of building neural network from scratch4 min read·May 30, 2019--4--4
Yitong ReninTowards Data ScienceThe Significance and Applications of Covariance MatrixOne connection between linear algebra and various applications4 min read·May 1, 2019--1--1
Yitong RenThoughts on AWS Machine Learning Specialty ExamAWS recently released a machine learning specialty certificate. The exam covers domains in data engineering, exploratory data analysis…3 min read·Apr 13, 2019--1--1
Yitong ReninTowards Data ScienceSpeeding Up and Perfecting Your Work Using Parallel ComputingA detailed guide of Python multiprocessing vs. PySpark mapPartition4 min read·Mar 18, 2019----