Methods for Computing Confidence Intervals for Spectral Estimates in Monthly Reports of the California Coastal Data Information Program

摘要

The limits containing a certain quantity with a probability of 1-alpha are called the (1-alpha). 100 percent confidence limits for that specific quantity. The interval between the confidence limits is called a confidence interval. The purpose of this paper is to present methods for finding confidence intervals for the quantities estimated in the monthly reports of the Coastal Data Information Program sponsored by the US Army Corps of Engineers and the State of California Department of Boating and Waterways. These intervals are based on chi-square values. Tables of the required chi-square values are also presented. Two statistical methods are derived and presented for building confidence intervals for the estimates of the longshore component of radiation stress. The relative merits of both methods are discussed and the more useful of the two is indicated. Additional keywords: Ocean waves; Probability.