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- Whoever must play, cannot play def subtract_square(queries): Two players play a game of "Subtract a square", starting with a positive integer. On their turn to play, each player must subtract some square number (1, 4, 9, 16, 25, 36, 49, ...) from the current number so that the result does not become negative. Under the normal play convention of these games, the player who moves to zero wins, leaving his opponent stuck with no possible moves. (In the misère version of the game that has otherwise identical rules but where you win by losing the original game, these definitions would be adjusted accordingly.) This and many similar combinatorial games can be modelled with recursive equations. This game is an example of an impartial game since the moves available to both players are exactly the same, as opposed to “partisan games” such as chess where each player can only move pieces of one colour. A game state is therefore determined by the remaining number alone, but not by which player has…Hef sharks_minnows (minnows, sharks): shark_count = 0 minnow_count = len (minnows) for i in range(minnow_count): curr_shark_height = minnows [i] if curr_shark_height is not None: minnows [i] = None for j in range (i + 1, minnow_count): if minnows [j] == curr_shark_height: minnows [j] = None curr_shark_height -- 1 shark_count += 1 return shark_count <= sharks The provided code is imperfect, in that it sometimes returns True when it should return False, and sometimes returns False when it should return True. (a) Provide an example of a function call where the provided code will correctly return True (i.e. a True Positive) (b) Provide an example of a function call where the provided code will correctly return False (i.e. a True Negative) (c) Provide an example of a function call where the provided code will incorrectly return True (i.e. a False Positive) (d) Provide an example of a function call where the provided code will incorrectly return False (i.e. a False Negative)Database Question:In this problem, you will come up with decision trees to predict if a planet is habitable based only on features observed by the telescope.In the table below, you are given the data from all 800 planets surveyed so far. The features observed by telescope are Size (“Big” or “Small”), and Orbit (“Near” or “Far”). Each row indicates the values of the features and habitability, and how many times that set of values was observed. So, for example, there were 20 “Big” planets “Near” their star that were habitable.Determine if Planet=Big and Orbit=Far is habitable? Derive and draw the decision tree learned by ID3 on this data.
- Question 8 Find the score (mean accuracy) of your knn classifier using x_test and y_test. This function should return a float between 0 and 1 [ ]: def answer_eight(): # YOUR CODE HERE raise NotImplementedError() [ ]:INFO 2303 Database Programing Assignment # : PL/SQL Procedure & Function Practice Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL. Write a function that takes patient date of birth. If the patient born after 30th June 1990 then he/she will be required to set appointment for immunization. Call this function from anonymous block to allow the user to enter the patient ID. Expected output: Enter the patient ID: 168 The status of X-immunization : REQUIREDINFO 2303 Database Programming Assignment : PL/SQL Practice Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL. Question: Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows. Patietn table: CREATE TABLE PATIENT(PT_ID NUMBER(3),PT_LNAME VARCHAR2(15),PT_FNAME VARCHAR2(15),PTDOB DATE,DOC_ID NUMBER(3),NEXTAPPTDATE DATE,LASTAPPTDATE DATE,CONSTRAINT PATIENT_PT_ID_PK PRIMARY KEY (PT_ID),CONSTRAINT PATIENT_DOC_ID_FK FOREIGN KEY(DOC_ID)REFERENCES DOCTOR); INSERT INTO patient VALUES(168, 'James', 'Paul', TO_DATE('14-MAR-97'), 432, TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient VALUES(331, 'Anderson', 'Brian', TO_DATE('06-MAR-48'), 235,TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient…
- All do. Else report.Using the assignment rule, pick the correct R₁ R₁ { } z = z*2 R₂ { } y=z-4 R3 {y ≥ 6} Question 4 options: {y ≥ z*2-2} {z*2-4 ≥ 6} {z-1Problem set4.Database: CUSTOMER (CustomerID, LastName, FIrstName, Phone, EmailAddress) PURCHASE (InvoiceNumber, InvoiceDate, PreTaxAmount, CustomerID) PURCHASE_ITEM (InvoiceNumber, InvoiceLineNumber, Item Number, RetailPrice) ITEM (ItemNumber, ItemDesciption, Cost, ArtistLastName, ArtistFirstName) Write an SQL statement to show which cutomers bought which items, and include any items that have not been sold. Include CUSTOMER.LastName, CUSTOMER.FirstName, IvoiceNumber, InvoiceDate, ItemNumber, ItemDescription, ArtistLastName, and ArtistFirstName,. Use a join using JOIN ON syntax, and sort the results by ArtistLastName and ArtistFirstName in ascending order. Note that in Microsoft Access this require multiple queries. From Database Concepts 9th Ed. (Kroenke)Write the correct term that matches the description below. Performs arithmetic operations (+, –, *, /) as well as comparison or relational operations (<, >, =); the latter are used to compare numbers.Translate the following pandas statement in Python to a SQL query so that it can be executed on the SQL database. dfdata[(10*dfdata['cases']>dfdata['cases'])&(dfdata['date']=='2020-10-10')]['county']SEE MORE QUESTIONS