preprocessing of text data extracting features from text data case studycustomer complaints analysis using nlp word embeddings case studycustomer complaints analysis using word embeddings image data use cases of image data challenges with image data image data management process image data modeling process fundamentals of deep learning artificial neural networks activation functions loss function in neural network optimization in neural network neural network training process case study create classification model on structured data case study image classification model summary end-to-end model development technical toolkit required ml model development step define the business problem step data discovery phase step data cleaning and preparation duplicates in the dataset categorical variable treatment in dataset missing values present in the dataset viii