Consider once again the ChickWeight dataset.(comes with base R). Use aggregate to create a new dataframe that gives mean Chick weight at eachTime point, for each Diet group. Assign this new dataframe to the variable df . You will only need one line of code:df = ???If you have done this correctly, you should get the following if you call head(df, 10):head (df, 10)Diet Timeweight0 41.40000110 40.700000 40.800000 41.0000022334412 47.25000622 49.40000732 50.4000042 51.8000014 56.473681024 59.80000

R dataset called ChickWeight. This dataset is built into R. To see a description of this dataset, go…

Answered: ave done this correctly, you should get…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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1. Design an algorithm to find the weighted sum of four test scores (https://en.wikipedia.org/wiki/Weight_function). Assume that the weights have been accurately calculated in advance such that their sum equals one. Your algorithm must-read in the four test scores and four corresponding weights in the following order: score1 weight1 score2 weight2 score3 weight3 score4 weight4 Write your algorithm such that it can be run with any set of data values. However, you can test your algorithm on the following sample data to verify that the result is 70: 90 0.10 80 0.20 70 0.30 60 0.40 2. Write an algorithm that prompts the user for the radius, in inches, and price of a pizza, and then reads in those values. Finally, have the algorithm compute and output the pizza’s cost per square inch. 3. Sports exercise advisor algorithm. In this algorithm you will start out with a temperature value in Celsius, so you do not need to ask the user for it. First, convert the temperature to Fahrenheit.…
Please assist with problem.
Excel’s RAND() function generates a random number (x) such that 0 ≤ x ≤ 1. 0 < x ≤ 1. 0 ≤ x < 1. 0 < x < 1. None of the answer choices is correct.
wind speed, relative humidity, and sunshine play important roles in determining coldness outside. In 2001, the National Weather Service (NWS) implemented the new wind-chill temperature to measure the coldness using temperature and wind speed. The formula is = 35.74 +0.6215ta — 35.75v0.16 +0.4275tav0.16 twc - where to is the outside temperature measured in degrees Fahrenheit, v is the speed measured in miles per hour, and twc is the wind-chill temperature. The formula cannot be used for wind speeds below 2 mph or temperatures below -58°F or above 41°F. Write a program that prompts the user to enter a temperature between −58°F and 41°F and a wind speed greater than or equal to 2 then displays the wind-chill temperature. Use Math.pow (a, b) to compute v0.16. Here is a sample run: Enter the temperature in Fahrenheit between -58°F and 41°F: 5.3 Enter Enter the wind speed (>=2) in miles per hour: 6 Enter The wind chill index is -5.56707
The following code implements Newton's algorithm for finding the square root of a number using repetition: n = 17 # we want the square root of 17 for exampleg = 4 # our guess is 4 initiallyerror = 0.0000000001 # we want to stop when we are this closewhile abs(n - (g**2)) > error: g = g - ((g**2 - n)/(2 * g))# g holds the square root of n at this point Implement this algorithm in a function sqRoot(n), that returns the square root using recursion. Assume that the function will be called with positive numbers only. Note: Your initial guess cannot be zero!
Python code that can check the data if there are negative values and if none

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ave done this correctly, you should get the following ify ad(df, 10) Diet Time weight 0 41.40000 0 40.70000 0 40.80000 0 41.00000 1 2 4 1 2 47.25000 2 49.40000 2 50.40000 2 51.80000 2 4