0 we are given the following attribute grammar. S E (S.x = E.v* 2, Et = 10) E-Ea (Eg.v=1+E₁.v, E₁.t=Eo.t+1) E-Eb (Eg.v=3+E₁.v, E₁.t-Et+1) E-Ec (Eo.v=2+ E₁.v. E₁.t=Eo.t+1) E-E (E.v=Et + 2) What is the value of S.x in the annotated parse tree for the input "cba"? Select one: a.38 b.36 c.40 d.32 e.42
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- True or false: In RapidMiner, the label (dependent variable) can be coded either alphabetically (e.g., true/false) or numerically (e.g., 0/1). True or false: The Logistic Regression operator in RapidMiner offers only one algorithm for model creation."Equatable and Comparable" in the Swift Programming: The Big Nerd Ranch Guide (2nd Ed.) e-book: Point’s current conformance to Comparable yields some confusing results. let c = Point(x: 3, y: 4) let d = Point(x: 2, y: 5) let cGreaterThanD = (c > d) // false let cLessThanD = (c < d) // false let cEqualToD = (c == d) // false As the above example demonstrates, the trouble arises in comparing two points when one point’s x and y properties are not both larger than the other point’s. In actuality, it is not reasonable to compare two points in this manner. Fix this problem by changing Point’s conformance to Comparable. Calculate each point’s Euclidean distance from the origin instead of comparing x and y values. This implementation should return true for a < b when a is closer to the origin than b. Use the formula shown in below Figure 25.1 to calculate a point’s Euclidean distance. Figure 25.1 Euclidean distance Euclidean distanceA Student can be either a graduate student or an undergraduate student. A graduate student can be either a Masters or a PhD student. An undergraduate student can be an honour student. A department has both undergrad and graduate students. A department offers courses and each course is taught by a professor. Professors, Graduate students, and Honours students do research. Every person has a name. A student has ID. A department has location and a course has ID. Write java code for the above scenario. Each attribute should have a public getter and a public setter. You should use inheritance whenever possible. You have to override the toString operation in each class that defines an attribute. The overriden toString should print out the value of the attributes in the class. The research operation takes research subject as an input string and simply prints out the research subject. The Student class should have an arraylist of courses that the student takes, and an operation to add a…
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- DISCRETE STRUCTURE Alia went to a fast-food restaurant. She has been offered to buy a meal-deal with discounted price. The meal-deal set can only have one main menu and one side or one beverage. Main menu Pizza – Blazing Seafood • Pizza – Chicken Supreme . Pizza- Beef Pеррегoni Burger – Single cheese Burger – Double cheese Side Crispy Fries • Potato Wedges • Cheesy Pop • Chicken Fries • Sweet Potato Fries Beverage . Соса-Cola • 7 UP • Lemonade • Peach Tea • Lemon Tea i. How many ways a meal-deal can be formed if Alia prefer a set that contain burger? ii. How many ways a meal-deal can be formed if Alia does not like Coca-Cola?Some rows of the STUGRADE table of a school are shown below: STU_CODE CLS_CODE GRADE YEAR 291 111 3.1 2010 938 101B 2.3 2011 931 M101 3.3 2040 291 M101 3.4 2018 190 111 2.0 2021 931 321 3.9 2003 Suppose that STU_CODE is the student code (foreign key) and CLS_CODE is the class code (foreign key). Which of the following computes the average for each year of the student with code 931? a. SELECT AVG(GRADE) FROM STUGRADE WHERE STU_CODE = 931 GROUP BY YEAR b. SELECT AVG(GRADE) FROM STUGRADE WHERE STU_CODE = 931. c. SELECT AVG(GRADE) FROM STUGRADE GROUP BY STU_CODE = 931 d. SELECT AVG(GRADE) FROM STUGRADE WHERE STU_CODE = 931 GROUP BY AVG(GRADE)Imagine that a piece of a primary key is also a potential secondary key. Can you tell me what your reaction would be?
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