{"product_id":"modeling-nonlinearity-and-interaction-in-regression-analysis-using-spline-variables-roger-a-wojtkiewicz-9781071950340","title":"Modeling Nonlinearity and Interaction in Regression Analysis Using Spline Variables","description":"This volume addresses the issue of linear constraints in regression modeling. Author Roger A. Wojtkiewicz uses the method of knotted spline variables (also known as piecewise linear regression) and a new method involving group spline variables to model nonlinearity in a variety of situations. Using spline variables to model nonlinearity allows researchers to specify unrestricted models for models that involve interval variables, allowing for greater flexibility in modeling any possible interaction.","brand":"Sage Publications Inc Ebooks","offers":[{"title":"Default Title","offer_id":51092842479904,"sku":"9781071950340","price":40.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/2812\/7264\/files\/9781071950340.jpg?v=1780760945","url":"https:\/\/bookcorner.com\/products\/modeling-nonlinearity-and-interaction-in-regression-analysis-using-spline-variables-roger-a-wojtkiewicz-9781071950340","provider":"The Book Corner","version":"1.0","type":"link"}