{"product_id":"modeling-nonlinearity-and-interaction-in-regression-analysis-using-spline-variables-9781071950340","title":"Modeling Nonlinearity and Interaction in Regression Analysis Using Spline Variables","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003e\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":"Sage Publications","offers":[{"title":"Default Title","offer_id":51863114514775,"sku":"9781071950340","price":35.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1739\/5799\/files\/9781071950340.jpg?v=1759919672","url":"https:\/\/bookcurl.com\/products\/modeling-nonlinearity-and-interaction-in-regression-analysis-using-spline-variables-9781071950340","provider":"Book Curl","version":"1.0","type":"link"}