To apply multivariate analysis to your OR system, you need to follow some basic steps. First, you need to define your research problem and objectives. What are you trying to achieve or understand with your OR system? What are the variables or outcomes that you are interested in? Second, you need to collect and prepare your data. You need to ensure that your data is reliable, valid, and suitable for multivariate analysis. You may need to clean, transform, or standardize your data before applying any multivariate technique. Third, you need to choose and perform the appropriate multivariate technique for your problem and data. You need to consider the type, level, and distribution of your variables, as well as the assumptions and limitations of each technique. You may need to use software tools or code to perform the multivariate analysis. Fourth, you need to interpret and communicate your results. You need to understand the meaning and implications of your results, as well as their limitations and uncertainties. You also need to present your results in a clear and concise way, using graphs, tables, or reports.