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This problem require use R Install the library TH.data. Use the data named GlaucomaM in this library. The GlaucomaM data has 196 observations in two classes. 62 variables are derived from a confocal laser scanning image of the optic nerve head, describing its morphology. Observations are from normal and glaucomatous eyes, respectively. Use the help file to know more about the dataset. Your goal is to predict whether a person will have glaucoma based on the 62 variables. Identify the predictors and the response variable in the dataset. Randomly select 70% of the data as training data and the remaining 30% as test data. Install the package glmnet and use elastic net method on the training data to determine an appropriate model. Then use this model to do predictions on the test dataset. Report which covariates were selected in the model. You do not need to interpret any coefficient estimate. Prediction and variable selection are the main focus of your analysis.
fx k1-1x2 1 ? x lt 2 is the distribution function for a continuous random variable x. solve for the value of k and
A restaurant's menu has six appetizers, five entrees, and four beverages. To order dinner, a customer must choose one entrée and one beverage, and may choose one appetizer. (That is, a dinner must include one entrée and one beverage, but not neces..
A stationary store wants to estimate the mean retail value of greeting cards that it has in inventory A random sample of 100 greeting cards. a mean value of 2.55 and standard deviation of 0.44
a major brokerage company has an office in miami florida. the manager of the office is evaluated based on the number of
suppose each of n balls labeled 1 to n is placed in one of n boxes labeled 1 to n. assume the n placements are made
suppose that 10 of a population is left-handed. what is the probability that in a sample of n10 individuals3 or more
A football team has a probability of .75 of winning when playing any of the other four teams in its conference. If the games are independent, what is the probability the team wins all its conference games?
The diameters of ball bearings are distributed normally. The mean diameter is 74 millimeters and the variance is 16. Find the probability that the diameter of a selected bearing is less than 78 millimeters.
Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
Recent crime reports indicate that 5.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.
according to a 2010 nielsen survey the mean number of apps downloaded by iphone users is 40. suppose a sample of 36
Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 406 jawbreakers that weigh more than .4 ounces?
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