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(1) Email-essay scenario: The data science team you work on (at Salesforce, Netflix, or of your own imagining) is interested in using a data analysis technique new to the team/company. You were tasked with gaining a general overview of the technique and writing a medium length email (~3 paragraphs) to summarize your findings. Include:a description of the technique for a technical audience, you want to give them an introduction to the method that will be a jumping off point for them learning more detail and discussing the methodexplain the value of the methodthe types of data it can be used forthe method’s limitationsChoosing a technique: Choose a data analysis technique you are interested in learning more about, based on your analytics skill level. For example, if you’ve never done a regression, pick a regression or correlation or something simpler. If you have more analytics experience, use this as an opportunity to learn more about a method you’re interested in or dig deeper into a method from another class. You are welcome to describe how this analysis method could be used for the data / business question from your case study.Some ideas: regression, cross-validation, filtering (signal processing), deep learning, principal components analysis (PCA), random forests, randomization techniquesRequirements:Use in line citations where appropriateInclude a reference list/bibliographyMinimum 300 words(4) Short AnswerPrompt:Answer the following questions based on this week’s reading:What is the purpose of statistical diagnostics? (refer to Bartlett Chapter 8)What considerations need to be made when choosing training data for machine learning algorithms? (refer to machine learning reading)What is the purpose of cross-validation? (refer to cross validation videos)RequirementsUse in line citations where appropriateInclude a reference list/bibliographyMinimum 300 words (total)Required reading: https://www.technologyreview.com/s/608248/biased-algorithms-are-everywhere-and-no-one-seems-to-care/https://www.mckinsey.com/business-functions/risk/our-insights/controlling-machine-learning-algorithms-and-their-biaseshttps://www.nature.com/articles/d41586-018-05707-8

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