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vagabundo [1.1K]
2 years ago
7

2. the amount of snowfall in a given day is measured in inches. alice designs a learning algorithm to predict the snowfall for t

he month of march. is this a classification problem or a regression problem? (2 point)
Mathematics
1 answer:
jeka942 years ago
5 0

Answer:

Question: 2) The Amount Of Snowfall In A Given Day Is Measured In Inches. Alice Designs A Learning Algorithm To Predict The Snowfall For The Month Of March. Is This A Classification Problem Or A Regression Problem? (2 Point) 3) In Class, Normally We Considered Cost Functions Which Are Squares Of The Differences Between Y And H(X). Alice Has A New Idea: She Will Use

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2) The amount of snowfall in a given day is measured in inches. Alice designs a learning algorithm

to predict the snowfall fo

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Expert Answer

Question 2 Let x denote the chronological number of days. Let y denote the amount of snowfall in a given day in inches. A regression problem is a statistical problem that attempts to estimate the relationship between an independent variable often…

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Transcribed image text: 2) The amount of snowfall in a given day is measured in inches. Alice designs a learning algorithm to predict the snowfall for the month of March. Is this a classification problem or a regression problem? (2 point) 3) In class, normally we considered cost functions which are squares of the differences between y and h(x). Alice has a new idea: she will use cube of the differences instead. That is, the cost function will be the summation of (h(x) - y)^3 divided by 2m. Does this represent a good cost function? (5 point) 4) Consider the house price prediction problem from lecture. Con following table of training data. Here x is area in hundred square feet and y is the price in hundreds of thousands o dollars. X 1 у 2 3 2 4 6 7 5 4.1) Compute J(0, 1) for the above data set. (2 points) 4.2) Compute J(1, 1) for the above data set. (2 points) 4.3) Compute J(1, 1.1) for the above data set. (2 points) 4.4) Based on the above, which of the three hypotheses would you choose for

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Alekssandra [29.7K]

Answer:

T

Step-by-step explanation:

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How do I solve on paper this problem, x-0.38x=868?
Levart [38]
X - 0.38x = 868......x is the same as 1x
1x - 0.38x = 868
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Ariel earns 9.60 per hour at their part-time job.
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Can you tell how old a lion is by looking at its nose? A professor at the University of Wisconsin-Madison conducted a study of d
Ghella [55]

Answer:

The residual age of a lion whose nose is 11% black and is 1.9 years old is -0.15.

Step-by-step explanation:

In regression, the difference between the observed value of the dependent variable (<em>y</em>) and the predicted value (\hat y) is known as the residual (<em>e</em>).

e=y-\hat y

The least square regression line is used to predict the value of the response or dependent variable (<em>y</em>) from the known value of the explanatory or independent variable (<em>x</em>).

The general form of a least square regression line is:

\hat y=\alpha +\beta x

The equation of the least squares regression line to predict the relationship between age (in years) and proportion of blackness in the lion’s nose is:

\hat y=0.8790+10.6471 x

Compute the predicted value of <em>y</em> for <em>x</em> = 0.11 as follows:

\hat y=0.8790+10.6471 x

  =0.8790+(10.6471\times 0.11)\\=0.8790+1.171181\\=2.050181\\\approx 2.05

The predicted value of <em>y</em> is, \hat y=2.05.

The observed value of the age of lion whose nose is 11% black is, <em>y</em> = 1.90.

Compute the residual age of this lion as follows:

e=y-\hat y

  =1.90-2.05\\=-0.15

Thus, the residual age of a lion whose nose is 11% black and is 1.9 years old is -0.15.

4 0
3 years ago
(35)8 + (25)6 help plz
jonny [76]

Answer:

430

Step-by-step explanation:

Use PEMDAS.

(35)8 + (25)6\\35*8= 280\\25*6= 150\\280 + 150=430

7 0
4 years ago
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