class: center, middle, inverse, title-slide .title[ # Review: Interpreting linear models ] .author[ ### Yue Jiang ] .date[ ### STA 440 / 690 ] --- ### Example 1 <img src="img/int8.png" width="100%" style="display: block; margin: auto;" /> --- ### Example 1 <img src="img/int10.png" width="90%" style="display: block; margin: auto;" /> <img src="img/intz.png" width="90%" style="display: block; margin: auto;" /> --- ### Example 1 <img src="img/int9.png" width="100%" style="display: block; margin: auto;" /> .question[ - Write out the model corresponding to the model that includes log-transformed urinary cadmium. - Interpret the coefficient estimate corresponding to log-transformed urinary cadmium; interpret any relationship between CRT times and cadmium *on the original scale* of cadmium levels. - What might you conclude re: any potential relationship between urinary cadmium levels and CRT? Be specific. ] --- ### Example 2 <img src="img/int3.png" width="100%" style="display: block; margin: auto;" /> --- ### Example 2 <img src="img/int4.png" width="65%" style="display: block; margin: auto;" /> --- ### Example 2 <img src="img/int5.png" width="65%" style="display: block; margin: auto;" /> .question[ What is the relationship between availability of fruit and daily travel distance as displayed in these model results? ]