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Showing posts from March, 2022

TOGAF1

   Scope of organizations impacted Maturity assessment, gaps, and resolution approach Roles and responsibilities for architecture team(s) Constraints on architecture work Re-use requirements Budget requirements Requests for change Governance and support strategy Architecture Principles Identify the key stakeholders and their concerns/objectives, and define the key business requirements to be addressed in the architecture engagement.  Based on the stakeholder concerns, business capability requirements, scope, constraints, and principles, create a high-level view of the Baseline and Target Architectures. The Architecture Vision typically covers the breadth of scope identified for the project, at a high level. Informal techniques are often employed. A common practice is to draw a simple solution concept diagram that illustrates concisely the major components of the solution and how the solution will result in benefit for the enterprise. Develop the business case for the arch...

Machine Learning

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Classification problem Features Labels Training set Term frequency representation - Getting frequency of words based on a sentence  Output is a categorical value. Naive Bayes Sentiment Analysis Classification Setup = Take a comment classify as positive or negative P = Positive, 1-P = Negative Probability of word being positive = Sum of frequency of the word in positive comments / sum frequency of the data in entire corpus   Drop connective words (stop words) when processing Then multiply the positivity of the other words which are part of sentence to get overall score * overall probability of the number being positive. Sentiment labelled sentences data set - IMDB, Yelp and Amazon reviews. Scikit-Learn module in Python  Can be used to classify any number of categories SVM Ad detection - Internet advertisement dataset Can be used only for binary classification Regression Problem Examples Finding stock price returns on a given day CAPM model/formula for finding future price ...