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BCOR 2205 FINAL EXAM QUESTIONS WITH ACCURATE SOLUTIONS

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BCOR 2205 FINAL EXAM QUESTIONS WITH ACCURATE SOLUTIONS

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BCOR 2205
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BCOR 2205

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BCOR 2205 FINAL EXAM QUESTIONS WITH ACCURATE
SOLUTIONS



Artificial Intelligence -- Answer ✔✔ Machines that can perform tasks that are characteristic
.l .l .l .l .l .l .l .l .l .l .l .l




.l of human intelligence.
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Machine Learning -- Answer ✔✔ Subset of AI: The practice of using algorithms to parse
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.l data, learn from it, and then decide or prediction about something in the word
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Target -- Answer ✔✔ The variable we are trying to predict and gain insights about
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Features -- Answer ✔✔ Can be thought of as the independent variables we will use to
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.l predict the target .l .l




supervised ML -- Answer ✔✔ Data scientist tells the machine what it wants it learn
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.l (identifies target) .l




Unsupervised ML -- Answer ✔✔ Up to the machine to decide what it wants to learn
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Auto Machine Learning -- Answer ✔✔ the process of automating machine learning
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Exploratory data analysis -- Answer ✔✔ The process of examining the descriptive statistics
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.l for all features as well as their relationship with the target variable
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Feature engineering -- Answer ✔✔ Cleaning data, combining features, splitting features into
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.l multiple features, handling missing values, and dealing with text, etc.
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, Algorithm selection and hyper-parameter tuning -- Answer ✔✔ Keeping up with the
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.l "dizzying number" of available algorithms and their quadrillions of parameter combinations
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Model diagnostics -- Answer ✔✔ Evaluation and ranking of top models
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the machine learning life cycle -- Answer ✔✔ define project objectives -> acquire and
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.l explore data -> model data -> interpret and communicate -> implement, document, and
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.l maintain


define project objectives (1) -- Answer ✔✔ specify business problem, acquire subject
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.l matter expertise, define unit of analysis and prediction target, prioritize modeling criteria,
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.l consider risks and success criteria, decide whether to continue
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acquire and explore data (2) -- Answer ✔✔ find appropriate data, merge data into single
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.l table, conduct exploratory data analysis, find and remove any target leakage, feature
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.l engineering


model data (3) -- Answer ✔✔ variable selection, build candidate models, model validation
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.l and selection .l




interpret and communicate (4) -- Answer ✔✔ interpret model, communicate model
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.l insights


implement, document, and maintain (5) -- Answer ✔✔ set up batch or AP prediction
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.l system, document modeling process for reproducibility, create model monitoring and
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.l maintenance plan .l




·8 criteria of auto ML Excellence: -- Answer ✔✔ o Accuracy
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o Productivity
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o Ease of use
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