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    More predictors than observations?

    What does it mean when statisticians talk about having more predictors than observations in a regression model? How could that even be possible? Why is it a problem in regression? Apologies, I am new to quant analysis and stats so not quite sure why this is the case? I would appreciate the...
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    Can you use correlation for percentages?

    I have two variables: the number of employees who work from home in the firm and the number of independent contractors in the firm - and I have this data for 70 firms. I am trying to determine what statistical measure of association I can use to determine whether there is a relationship...