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34kurt
2 years ago
5

6.4 Predicting Prices of Used Cars. The file ToyotaCorolla.csv contains data on used cars (Toyota Corolla) on sale during late s

ummer of 2004 in the Netherlands. It has 1436 records containing details on 38 attributes, including Price, Age, Kilometers, HP, and other specifications. The goal is to predict the price of a used Toyota Corolla based on its specifications. (The example in Section 6.3 is a subset of this dataset.) Split the data into training (50%), validation (30%), and test (20%) datasets. Run a multiple linear regression with the outcome variable Price and predictor variables Age_08_04, KM, Fuel_Type, HP, Automatic, Doors, Quarterly_ Tax, Mfr_Guarantee, Guarantee_Period, Airco, Automatic_airco, CD_Player, Powered_Windows, Sport_Model, and Tow_Bar. a. What appear to be the three or four most important car specifications for predicting the car’s price?
Computers and Technology
1 answer:
Brums [2.3K]2 years ago
8 0

Answer:

Compare the predictions in terms of the predictors that were used, the magnitude of the difference between the two predictions, and the advantages and disadvantages of the two methods.

Our predictions for the two models were very simmilar. A difference of $32.78 (less than 1% of the total price of the car) is statistically insignificant in this case. Our binned model returned a whole number while the full model returned a more “accurate” price, but ultimately it is a wash. Both models had comparable accuracy, but the full regression seemed to be better trained. If we wanted to use the binned model I would suggest creating smaller bin ranges to prevent underfitting the model. However, when considering the the overall accuracy range and the car sale market both models would be

Explanation:

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A city government is attempting to reduce the digital divide between groups with differing access to computing and the Internet.
sergeinik [125]

Answer:

C

Explanation:

Putting all government forms on the city web site is the least activity likely to be effective in the purpose of reducing digital divide.

Holding basic computer classes at the community centers will very much help to reduce the digital divide.

Providing free wireless internet connections at locations in low-income neighborhood will also reduce the gap of digital divide

Requiring that every city school has computers that meet a minimum hardware and software will made computing resources available to users thereby reducing digital divide.

5 0
1 year ago
Which decimal value (base 10) is equal to the binary number 1012?
GaryK [48]

Answer:

The decimal value of 101₂² base 2 = 25 base 10

Explanation:

The number 101₂² in decimal value is found as follows;

101₂ × 101₂ = 101₂ + 0₂ + 10100₂

We note that in 101 + 10100 the resultant 2 in the hundred position will have to be converted to a zero while carrying over 1 to the thousand position to give;

101₂ + 0₂ + 10100₂ = 11001₂

Therefore;

101₂² =  11001₂

We now convert the result of the square of the base 2 number, 101², which is 11001₂ to base 10 as follows;

Therefore converting 11001₂ to base 10 gives;

11001₂= 1 × 2⁴ + 1 × 2³ + 0 × 2² + 0 × 2 ¹ + 1 × 2⁰

Which gives;

16 + 8 + 0 + 0 + 1 = 25₁₀.

7 0
1 year ago
If parties in a contract are not ____, the contract can be canceled.
Anastasy [175]
Agreed to all the terms mentioned in the contract
5 0
2 years ago
This is the recorded history of the development of a group functioning within an organization. Identify the sentence that refers
Vikentia [17]
This is the recorded history of the development of a group functioning within an organization. Identify the sentence that refers to the norming stage of group development.

. The group then created a working structure that everyone agreed with.

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2 years ago
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Exponentiation Is a/an operater?​
garik1379 [7]

Answer:

Yes it is

Hope this helps

5 0
1 year ago
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