Questions tagged [homework]

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Orange: Predictive Model for Future Wifi Speed

I would like to use Orange to create a model that will allow me to predict future WiFi speeds using average quarterly WiFi speed from the last few years. The data sets I am using include the average ...
1 vote
68 views

Replacing count by percentage in R

I have the following code : ...
• 25
1 vote
281 views

making a contingency table with TRUE and FALSE values

I made the following contingency table already, however there should only be TRUE or FALSE and not all of them showing up on the table. How can I change that? my code is the following: ...
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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
353 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, ...
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1 vote
187 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 ...
794 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 ...
67k views

What is the problem with: the condition has length > 1 and only the first element will be used?

newbie to r. i have: ...
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1 vote
5k 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, ...
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