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the data to be used in this problem are contained in the s-plus script file crudeasc running this script will create
the goal of this problem is to compare the results of the analysis of the basketball data obtained by projection
let us assume that wttnbspis a variance-one white noise and let us consider the time series xttnbspdefined bycompute
1 let w be a normal gaussian random variable with mean 0 and variance 1 compute the values of the moments2 let us now
let us assume that theta isin -1 1 is known that wt is a gaussian white noise with variance one and thatnbspnbspis a
1 find the ar representation of the ma1 time serieswhere wttnbspis a white noise n0 sigma22 find the ma representation
let us consider the arma time series xttnbspdefined bywhere wttnbspis a white noise with variance one1 rewrite the
for each of the following arma11 modelsfor which we assume that wttnbspis a n0 sigma2 white noise1 rewrite the model
let us assume that wttnbspis a white noise process with mean 0 and variance sigma2nbsp 1 consider the time series xtt
this problem is based on the data contained in the script file spfuturesasc which creates a matrix spfut with two
1 construct a vector of 100 increasing and regularly spaced numbers starting from 1 and ending at 20 call it sig2
this elementary exercise is intended to give an example showing that lack of correlation does not necessarily mean
the purpose of this problem is to show that lack of correlation does not imply independence even when the two random
the goal of this problem is to prove rigorously a couple of useful formulae for normal random variablesnbsp1 show
the goal of this problem is to prove rigorously the theoretical result illustrated by the simulations of problem 11
the first question concerns the computation in s-plus of the square root of a symmetric nonnegative-definite square
the purpose of this problem is to analyze a classical example of nonlinear regression which can be found in most
in this problem we introduce a new exponential family called the generalized vasicek family and we use it to estimate
open and run the data script file geyserasc to create the data set geyser it gives the characteristics of 222 eruptions
attach the data set ship or ship included in the standard s-plus distribution package and make sure that the data are
the mathematical results which you are asked to prove in this problem were evidenced numerically in the two problems
principles of financial analysisspreadsheet assignment jackson products companytarheel furniture company1 retrieve the
the purpose of this problem is to analyze the data set rock included in the script file rockasc to illustrate the inner
the goal of this problem is to illustrate one of the most important features of the projection pursuit regression its
question 1 from a frenchmans point of view which of each pair of quotes is the direct quote which is the indirect