Autocorrelation measures the relationship between two or more variables by taking the current time series value vs the lagged value of the variable. Autocorrelation can either be positive or negative ranging between +1 and -1. Positive 1 showed the perfect correlation between the two or more variables. Negative 1 shows the perfect negative correlation between the two or more variables.
The financial analyst uses autocorrelation to evaluate the value of the security by looking at the trends in the past values. Autocorrelation help technical analyst in predicting the future price of the security. If the stock has a high positive correlation value, it is making a solid gain.
Use the data in MINWAGE for this exercise, focusing on the
Consider the data in Exercise 10 from Chapter 14 and the regression
Suppose an appliance manufacturer is doing a regression analysis, using quarterly
Use the data in HSEINV for this exercise. (i
Suppose that daily changes for a portfolio have first-order autocorrelation
Use all the data in PHILLIPS to answer this question. You
Use the data in TRAFFIC2 for this exercise. (i
Use the variables mean amount per transaction and number of associates to
Is an autocorrelation test appropriate for your data? If so,
If you are using time-series data, perform one or