Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [homework]

The tag has no usage guidance.

1
vote
1answer
42 views

Train Naive Based Classifier

For (a) I have calculated $P(G)=\frac{5}{8}$, $P(O|G)=\frac{2}{5}$, $P(B|G)=\frac{1}{5}$, $P(C|G)=\frac{4}{5}$, and $P(A|G)=\frac{4}{5}$. Now how do I calculate the maximum likelihood estimate of ...
0
votes
2answers
32 views

How do I determine if a neural network can be computed by a network that contains only an input layer and an output layer?

I have a homework problem where the neural network below is given with its description. We have been asked "Can the functions that the above network computes also be computed by a network that ...
1
vote
0answers
83 views

Coding Issues faced in Andrew Ng's course [closed]

I was going through Andrew's ML course on Coursera (Week 2). I attach with this post some snaps of my codes for the optional exercise part (of the programming assignment problems) for that week, ...
1
vote
0answers
184 views

Problem on dataset skewness and deviation [closed]

This is the problem statement : Your data set has missing values and is positively skewed with skewness = 1. Further examination tells you that they are spread along 1.5 standard deviation from the ...
3
votes
2answers
404 views

Can a single-layer ANN get XOR wrong?

I'm still pretty new to artificial neural networks. While I've played around with TensorFlow, I'm now trying to get the basics straight. Since I've stumbled upon a course which explains how to ...
1
vote
1answer
16k views
1
vote
1answer
301 views

How do i convert a Named num [1:4] to a data frame in R?

newbie to r, taking The R Programming Environment from coursera. one of the assignments is to select some columns from a data frame and find the means. the code below seems to get the correct answer, ...
1
vote
0answers
41 views

Efficient filtering of intersecting sets by cardinality

Suppose we have a set of documents with integer identifiers and an inverted index, which maps words to skip lists of document identifiers with the interface: ...
-3
votes
1answer
203 views

A binary classifier predicts only one type of class

This is an assignment question. Can someone someone give me some clue on how to get through: A generative approach is used for a binary classification problem and it turns out that the resulting ...
1
vote
1answer
153 views

How to calculate growth function for a threshold function

I'm working on a homework problem but don't fully understand it. The problem and solution: I don't understand the definition of the threshold function. Does it mean to pick one feature and classify ...