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Ratanroy
‎05-18-2016
  • 11 Posts
  • 1 Likes Given
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Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-02-2014 10:55 AM
‎09-02-2014 10:55 AM
Hi Reeza, 1.  Here The primary hypothesis is to be tested is that Machine A is superior to Machine B in terms of “Recommendation”:     machine were recommended which got feedback "Strongly Agree" or "Agree". We are assuming significance level 0.05. 2.Most of the data are ordinal here Attached the data for reference. kindly suggest. Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-02-2014 02:38 AM
‎09-02-2014 02:38 AM
Hi Reeza, I have the below table. i have two machines A, B. for Felt pain field, patients are giving the feedback that how convenient the screening was. So, here i have to calculate the p value for individual fields. i.e strongly Agree, Agree etc. I am new to statistics so i am not able to interpret which test i have top use for this. Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 10:39 AM
‎09-01-2014 10:39 AM
Hi Xia, Thank you for the suggestion, i will use Fisher Exact test to calculate the P-value. here i am getting the overall P-value i.e 0.0109 Also, i am getting warning saying that Chi Square may not be a valid test . Please advice. How would i calculate the individual p value for each category, One p-value for Strongly Agree, one p-value for Disagree etc. (Sorry to bother u so much) Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 09:08 AM
‎09-01-2014 09:08 AM
Hi Keshan, could you please let me know in this scenario which method i need to use..? Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 09:04 AM
‎09-01-2014 09:04 AM
Hi Keshan, Thank you for helping me on this. i have ordinal scale data here, so is it appropriate to use F-test? (Sorry I am new in this) I have one new requirement which i have posted on the above and also attached the data. Could u pls help how would i accomplish this..? Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 08:55 AM
‎09-01-2014 08:55 AM
Hi Jacob, Thanks for your suggestion. I will use the suggested test and will let u know if i will have any query. I have one more query. i have to show the result like this. i have two machine, Machine A is the old and Machine B is the new machine and whatever you are seeing in the screenshot is the count and i have to find out the P-value for this. I have understood for overall data how i have to calculate but in this how would i calculate the p-Value..? I have attached the file for your reference. Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 08:20 AM
‎09-01-2014 08:20 AM
Dear Jacob, I have ran the code and i have got the below o/p. can u pls tell me which one is the P-value? Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 07:17 AM
‎09-01-2014 07:17 AM
Hi Jacob, anxiety_before is a ordinal variable. its nothing but the scale of 1-10 , 1 for lowest and 10 for maximum anxiety. I am attaching one dummy data for your reference. Could you please help me to understand what code i have to use to find the p-value. Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 05:19 AM
‎09-01-2014 05:19 AM
Hi Jacob, I have used used the below code for my data and i am getting the below result, its saying that chi square is not a valid test. Proc freq data=indegene.sensorysuite; tables (Age)*(Anxiety_before) / chisq plots=(freqplot(twoway=grouphorizontal scale=percent)); run; Please help  and suggest me on this. Regards, Ratan ... View more

Re: How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎09-01-2014 02:50 AM
‎09-01-2014 02:50 AM
Hi Jacob, I am using Chi Square test for this. Regards, Ratan ... View more

How to calculate P Value in SAS

by Calcite | Level 5 in SAS Programming
‎08-31-2014 01:20 PM
‎08-31-2014 01:20 PM
Hi All, could you please tell me how would i calculate p-value in SAS ? is there any direct formula for this? suppose i have four columns : Age    Satisfaction Rate         Recommended               Pain 45      Stongly Agree(5)         Stongly Agree(5)                    1 40     Agree(4)                       Disagree(3)                           5 46     Disagree(3)                   Disagree(3)                           4 47    strongly Disagree(1)        Stongly Agree(5)                   3 28    Stongly Agree(5)            Stongly Agree(5 )                   4 please help me to calculate P-value for each fields Age, Satisfaction rate, Recommended and Pain. Regards, Ratan ... View more
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