Understanding Bond Ratings. There are over 80,000 issuers of municipal bonds in the United States. If you are thinking about buying municipal bonds, you should become familiar with credit ratings. As we stated in the previous chapter, credit risk should be your paramount concern. One data point to consider when evaluating the credit risk of a potential municipal bond is the bondâs rating. There are 3 major rating agencies that evaluate thousands of issuers and their municipal bonds.
But you don't have to know what the values are. You can assign values straight from a Textbox into the position of your array. With that code, whatever you typed into the Textboxes on your Form would be stored into the positions of your array.
Dummy variables assign the numbers â0â and â1â to indicate membership in any mutually exclusive and. exhaustive category. 1. The number of dummy variables necessary to represent a single attribute variable is equal to the. number of levels (categories) in that variable minus one. 2. For a given attribute variable, none of the dummy variables constructed can be redundant.