Question: def evalforest ( trees , X ) : Evaluates X using trees. Input: trees: list of TreeNode decision trees of length m

def evalforest(trees, X): """Evaluates X using trees. Input: trees: list of TreeNode decision trees of length m X: n x d matrix of data points alphas: m-dimensional weight vector Output: pred: n-dimensional vector of predictions """ m = len(trees) n,d = X.shape pred = np.zeros(n)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

Need help in solving part 3 & part 4 . Other questions posted in Chegg are having different parameters for the functions, def cart(xTr,yTr): & def evaltree(root,xTe): Part 3 : Test cases for part 3 :...

Q:

Please help code this in python Part Three: Implement cart [Graded] In this section, you will implement the function cart , which returns a regression tree based on the minimum squared loss splitting...

Q:

def sqimpurity(yTr): """Computes the weighted variance of the labels Input: yTr: n-dimensional vector of labels Output: impurity: weighted variance / squared loss impurity of this data set """ N, =...

Q:

do the following,..... Write program that reads a person's first and last names, separated by a space. Then the program outputs last name, comma, first name. Create program that takes in user input...

Q:

Give the typing rules for Peano natural numbers and their eliminator.(ii) Using the rules given above, define the addition function.] (iii) Let a binary tree be either a leaf Leaf or a node...

Q:

Here are definitions of sequences and trees with integer elements: type iseq = Nil | Cons of int * (unit -> iseq) type itree = Leaf of int | Branch of itree * itree (a) In an ascending sequence such...

Q:

HI, I need help figuring out the project management approach for this case study! as much details as possible so I can understand it would be greatly appreciated! Timberjack Parts: Packaged Software...

Q:

Provide an appropriate query to show that the above program can give an incorrect result. [4 marks] (b) Explain the cause of the error. [6 marks] (c) Suggest a correction. [5 marks] (d) Write a...

Q:

You are a bear stuck in the forest and would like to escape the forest. Unfortunately, the forest itself is known as the Delulu Forest where it is easy to get lost. Your ancestors have left markings...

Q:

Subaru Motors Corporation (SMC) today announced plans to revise its organisational structure. The changes will see the company's structure slim down from 230 departments to 131, which will hopefully...

Q:

You purchased a new piece of farm equipment on October 1, 2021, for $440,000. You determine it has a useful life of 10 years and an expected salvage value of $60,000. Prepare depreciation schedules...

Q:

Referring to Test Yourself Question 1, do the same for an economy in which investment is $250, net exports are 0, government purchases and taxes are both $400, and the consumption function is as...

Q:

A firm's new president wants to strengthen the compary's financial position. Which of the following actions would mate it finmtith strmert? Increase ieventories while holding sales and cost of goods...

Q:

Explain in details 23. Which of the following is correct Note : In the following Question No. 27, measurement of fiscal deficit in there are two statements, one is India ? Assertion (A) and the other...