The New York City Department of Environmental Protection (NYCDEP) collects and analyzes data from a total of 70 sampling stations harbor wide to monitor water conditions and understand how water quality can be improved. They approached your company to analyze the data for the sampling sites where the NYC Triathlon is usually held for swimming. Details of sampling stations and the data are provided here: https://www1.nyc.gov/site/dep/water/harbor-water-quality.page . NYCDEP specifically wants to understand the following: 1) Are daily changes in dissolved oxygen levels at the triathlon swimming sensor sites correlated to each other?

please use R to answer the question

please use R studio to answer