https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/650132#M194968 <P>1. Which of the following statements is false regarding categorical input variables and cardinality?</P><P>&nbsp;</P><P>a. Cardinality is the number of distinct levels in a categorical variable.</P><P>&nbsp;</P><P>b. Categorical variables with high cardinality can lead to overfitting in a predictive model.</P><P>&nbsp;</P><P>c. Calculating cardinality is an important exploratory tool before transforming the categorical input.</P><P>&nbsp;</P><P>d. Categorical variables with a low cardinality ratio have more distinct levels than variables with a high cardinality ratio.</P><P>&nbsp;</P><P>e. All are false.&nbsp;</P> Sun, 24 May 2020 04:08:47 GMT zahidhasandipu 2020-05-24T04:08:47Z https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/650132#M194968 <P>1. Which of the following statements is false regarding categorical input variables and cardinality?</P><P>&nbsp;</P><P>a. Cardinality is the number of distinct levels in a categorical variable.</P><P>&nbsp;</P><P>b. Categorical variables with high cardinality can lead to overfitting in a predictive model.</P><P>&nbsp;</P><P>c. Calculating cardinality is an important exploratory tool before transforming the categorical input.</P><P>&nbsp;</P><P>d. Categorical variables with a low cardinality ratio have more distinct levels than variables with a high cardinality ratio.</P><P>&nbsp;</P><P>e. All are false.&nbsp;</P> Sun, 24 May 2020 04:08:47 GMT https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/650132#M194968 zahidhasandipu 2020-05-24T04:08:47Z https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/650179#M194979 <P>I would suggest you google "cardinality" and "cardinality ratio" so you understand what those terms mean.</P> Sun, 24 May 2020 14:06:21 GMT https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/650179#M194979 Astounding 2020-05-24T14:06:21Z https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/721064#M223412 <P>d</P> Mon, 22 Feb 2021 21:00:42 GMT https://communities.sas.com/t5/SAS-Programming/1-Which-of-the-following-statements-is-false-regarding/m-p/721064#M223412 Oti 2021-02-22T21:00:42Z