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all right one last type of variable uh to think about and that is characters or string variables these are just literally collections of letters or numbers or whatever characters uh you can make characters with either single quotes or double quotes uh so you know you just write it out pretty simply right my string is a character variable you can make a vector of character variables and you can of course have character variables in your data like we do here um when youamp;#39;re making strings and youamp;#39;re putting them together uh the paste function which we already used a little bit uh is used to stick things together uh so if you put in multiple strings and you use paste to sort of just pop them and make one string sort of separate put them right next to each other in a single string so for example uh the paste zero function with h and lo with a underscore separator weamp;#39;ll take these different strings and pop them all together and with uh with a little underscore separat