how to perform trend testing in r what are the levels of n in the trend test which r method is the trend testing method? does r rely on a trend test what is the r trend test function how to test whether there is a trend between two variables what is the frequency of a trend test? explain how is the trend test performed in r how to test r trends how to find trend on data how to use a trend test in r what is the purpose of trend tests for two ordinal variables? how to test trend of variable how to test trends in math how can i test for a trend which of the following is an example of a trend test? when do you test trend in r which variable can be used to test a trend quizlet? how to test trend test in r which variable has one trend test and another that has two levels