topic Which is the best suitable Intraclass correlation method? in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/Which-is-the-best-suitable-Intraclass-correlation-method/m-p/698150#M33677 <P>Hello dear SAS users,</P><P>&nbsp;</P><P>I have a question about implementing correct ICC Intraclass correlation method on the below data. I am unable to understand if ICC1, ICC2 or ICC3 is suitable for the below data. I have looked up on the internet and though ICC2 would be suitable. But I am to double check and make sure my thinking is right. Please help me understand which id to select randomly GP_Id or Pat_Id or both. If so which is the suitable ICC method?</P><P>&nbsp;</P><TABLE><TBODY><TR><TD>GP_Id</TD><TD>Pat_Id</TD><TD>No_of_Medications_prescribed</TD></TR><TR><TD>1</TD><TD>a</TD><TD>1</TD></TR><TR><TD>1</TD><TD>b</TD><TD>2</TD></TR><TR><TD>1</TD><TD>c</TD><TD>4</TD></TR><TR><TD>1</TD><TD>d</TD><TD>1</TD></TR><TR><TD>1</TD><TD>e</TD><TD>2</TD></TR><TR><TD>2</TD><TD>f</TD><TD>7</TD></TR><TR><TD>2</TD><TD>g</TD><TD>2</TD></TR><TR><TD>2</TD><TD>h</TD><TD>1</TD></TR><TR><TD>2</TD><TD>i</TD><TD>7</TD></TR><TR><TD>3</TD><TD>j</TD><TD>8</TD></TR><TR><TD>3</TD><TD>k</TD><TD>9</TD></TR><TR><TD>3</TD><TD>l</TD><TD>4</TD></TR><TR><TD>3</TD><TD>m</TD><TD>6</TD></TR><TR><TD>3</TD><TD>n</TD><TD>4</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>Many thanks and best regards,</P><P>Chap</P> Wed, 11 Nov 2020 14:23:06 GMT Chapi 2020-11-11T14:23:06Z Which is the best suitable Intraclass correlation method? https://communities.sas.com/t5/Statistical-Procedures/Which-is-the-best-suitable-Intraclass-correlation-method/m-p/698150#M33677 <P>Hello dear SAS users,</P><P>&nbsp;</P><P>I have a question about implementing correct ICC Intraclass correlation method on the below data. I am unable to understand if ICC1, ICC2 or ICC3 is suitable for the below data. I have looked up on the internet and though ICC2 would be suitable. But I am to double check and make sure my thinking is right. Please help me understand which id to select randomly GP_Id or Pat_Id or both. If so which is the suitable ICC method?</P><P>&nbsp;</P><TABLE><TBODY><TR><TD>GP_Id</TD><TD>Pat_Id</TD><TD>No_of_Medications_prescribed</TD></TR><TR><TD>1</TD><TD>a</TD><TD>1</TD></TR><TR><TD>1</TD><TD>b</TD><TD>2</TD></TR><TR><TD>1</TD><TD>c</TD><TD>4</TD></TR><TR><TD>1</TD><TD>d</TD><TD>1</TD></TR><TR><TD>1</TD><TD>e</TD><TD>2</TD></TR><TR><TD>2</TD><TD>f</TD><TD>7</TD></TR><TR><TD>2</TD><TD>g</TD><TD>2</TD></TR><TR><TD>2</TD><TD>h</TD><TD>1</TD></TR><TR><TD>2</TD><TD>i</TD><TD>7</TD></TR><TR><TD>3</TD><TD>j</TD><TD>8</TD></TR><TR><TD>3</TD><TD>k</TD><TD>9</TD></TR><TR><TD>3</TD><TD>l</TD><TD>4</TD></TR><TR><TD>3</TD><TD>m</TD><TD>6</TD></TR><TR><TD>3</TD><TD>n</TD><TD>4</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>Many thanks and best regards,</P><P>Chap</P> Wed, 11 Nov 2020 14:23:06 GMT https://communities.sas.com/t5/Statistical-Procedures/Which-is-the-best-suitable-Intraclass-correlation-method/m-p/698150#M33677 Chapi 2020-11-11T14:23:06Z