{"id":128,"date":"2018-12-28T09:07:53","date_gmt":"2018-12-28T09:07:53","guid":{"rendered":"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/?post_type=chapter&#038;p=128"},"modified":"2018-12-28T09:08:35","modified_gmt":"2018-12-28T09:08:35","slug":"prospective-and-retrospective-design","status":"publish","type":"chapter","link":"https:\/\/ebooks.inflibnet.ac.in\/statp09\/chapter\/prospective-and-retrospective-design\/","title":{"rendered":"Prospective and Retrospective design"},"content":{"raw":"<div><span style=\"float: right\"><a href=\"https:\/\/youtu.be\/VADrkSz91xE\" target=\"_blank\" rel=\"noopener\"><img src=\"http:\/\/epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/2018\/11\/download.png\" alt=\"epgp books\" width=\"75px\" height=\"75px;\" \/><\/a>\r\n<\/span><\/div>\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n<img class=\"aligncenter size-full wp-image-168\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-08.jpg\" alt=\"\" width=\"673\" height=\"470\" \/> <img class=\"aligncenter size-full wp-image-169\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-12.jpg\" alt=\"\" width=\"875\" height=\"667\" \/> <img class=\"aligncenter size-full wp-image-170\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-13.jpg\" alt=\"\" width=\"863\" height=\"595\" \/> <img class=\"aligncenter size-full wp-image-171\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-14.jpg\" alt=\"\" width=\"751\" height=\"563\" \/> <img class=\"aligncenter size-full wp-image-172\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-18.jpg\" alt=\"\" width=\"853\" height=\"581\" \/> <img class=\"aligncenter size-full wp-image-173\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-19.jpg\" alt=\"\" width=\"867\" height=\"503\" \/> <img class=\"aligncenter size-full wp-image-174\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-20.jpg\" alt=\"\" width=\"833\" height=\"481\" \/> <img class=\"aligncenter size-full wp-image-175\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-23.jpg\" alt=\"\" width=\"877\" height=\"591\" \/> <img class=\"aligncenter size-full wp-image-176\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-28.jpg\" alt=\"\" width=\"841\" height=\"601\" \/> <img class=\"aligncenter size-full wp-image-177\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-33.jpg\" alt=\"\" width=\"887\" height=\"579\" \/> <img class=\"aligncenter size-full wp-image-178\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-37.jpg\" alt=\"\" width=\"827\" height=\"501\" \/> <img class=\"aligncenter size-full wp-image-179\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43.jpg\" alt=\"\" width=\"769\" height=\"559\" \/> <img class=\"aligncenter size-full wp-image-180\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-44.jpg\" alt=\"\" width=\"951\" height=\"633\" \/> <img class=\"aligncenter size-full wp-image-181\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45.jpg\" alt=\"\" width=\"945\" height=\"462\" \/> <img class=\"aligncenter size-full wp-image-182\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46.jpg\" alt=\"\" width=\"922\" height=\"627\" \/> <img class=\"aligncenter size-full wp-image-183\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47.jpg\" alt=\"\" width=\"943\" height=\"397\" \/>\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>you can view video on Prospective and Retrospective design<\/strong><\/td>\r\n<td><a href=\"https:\/\/youtu.be\/VADrkSz91xE\" target=\"_blank\" rel=\"noopener\"><img class=\"alignnone wp-image-120\" src=\"http:\/\/epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/2018\/11\/download.png\" alt=\"\" width=\"36\" height=\"36\" \/><\/a><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>","rendered":"<div><span style=\"float: right\"><a href=\"https:\/\/youtu.be\/VADrkSz91xE\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/2018\/11\/download.png\" alt=\"epgp books\" width=\"75px\" height=\"75px;\" \/><\/a><br \/>\n<\/span><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-168\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-08.jpg\" alt=\"\" width=\"673\" 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\/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-179\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43.jpg\" alt=\"\" width=\"769\" height=\"559\" srcset=\"https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43.jpg 769w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43-300x218.jpg 300w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43-768x558.jpg 768w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-43-65x47.jpg 65w, 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srcset=\"https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45.jpg 945w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45-300x147.jpg 300w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45-768x375.jpg 768w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45-65x32.jpg 65w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45-225x110.jpg 225w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-45-350x171.jpg 350w\" sizes=\"auto, (max-width: 945px) 100vw, 945px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-182\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46.jpg\" alt=\"\" width=\"922\" height=\"627\" srcset=\"https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46.jpg 922w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46-300x204.jpg 300w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46-768x522.jpg 768w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46-65x44.jpg 65w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46-225x153.jpg 225w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-46-350x238.jpg 350w\" sizes=\"auto, (max-width: 922px) 100vw, 922px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-183\" src=\"http:\/\/statp09.epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47.jpg\" alt=\"\" width=\"943\" height=\"397\" srcset=\"https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47.jpg 943w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47-300x126.jpg 300w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47-768x323.jpg 768w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47-65x27.jpg 65w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47-225x95.jpg 225w, https:\/\/ebooks.inflibnet.ac.in\/statp09\/wp-content\/uploads\/sites\/136\/2018\/12\/9736_et_regressioniii_8_prospective_retrospective-1-47-350x147.jpg 350w\" sizes=\"auto, (max-width: 943px) 100vw, 943px\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>you can view video on Prospective and Retrospective design<\/strong><\/td>\n<td><a href=\"https:\/\/youtu.be\/VADrkSz91xE\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-120\" src=\"http:\/\/epgpbooks.inflibnet.ac.in\/wp-content\/uploads\/2018\/11\/download.png\" alt=\"\" width=\"36\" height=\"36\" 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