{"product_id":"modeling-nonlinearity-and-interaction-in","title":"Modeling Nonlinearity And Interaction In","description":"\u003cp\u003eThis 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.\u003c\/p\u003e","brand":"MediaPlace","offers":[{"title":"Default Title","offer_id":57304571511166,"sku":"NW9781071950340","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1379\/1261\/files\/9781071950340.jpg?v=1778561024","url":"https:\/\/mediaplace.com\/en-usa\/products\/modeling-nonlinearity-and-interaction-in","provider":"MediaPlace","version":"1.0","type":"link"}