What does this unavoidable fact mean?For future generations, it won't mean anything very obvious. They will be so immersed in online life that questions about the Internet's basic purpose or meaning will vanish.But those of us who have lived both with and without the crowded connectivity of online life have a rare opportunity. We can still recognize the difference between Before and After. We catch ourselves idly reaching for our phones at the bus stop. Or we notice how, mid-conversation, a fumbling friend dives into the perfect recall of Google.In this eloquent and thought-provoking book, Michael Harris argues that amid all the changes we're experiencing, the most interesting is the one that future generations will find hardest to grasp. That is the end of absence-the loss of lack. The daydreaming silences in our lives are filled; the burning solitudes are extinguished. There's no true "free time" when you carry a smartphone. Today's rarest commodity is the chance to be alone with your own thoughts.

    It givessyntax and output for accomplishing many analyses through the mostrecent releases of SAS, SPSS, and SYSTAT, some not available insoftware manuals. The book maintains its practical approach, stillfocusing on the benefits and limitations of applications of a techniqueto a data set -- when, why, and how to do it. Overall, it providesadvanced students with a timely and comprehensive introduction totoday's most commonly encountered statistical and multivariatetechniques, while assuming only a limited knowledge of higher-levelmathematics.