Logistic regression puzzle
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Logistic regression puzzle
 
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Dear experts, a colleague wants to do a logistic regression with NOMREG and gets this result: Case Processing Summary N Marginal Percentage test ,00 358 35,8% 1,00 642 64,2% Valid 1000 100,0% Missing 0 Total 1000 Subpopulation 221a* *a The dependent variable has only one value observed in 131 (59,3%) subpopulations. Q. 1: What does "Subpopulation" and the number 221 refer to? Q. 2: What is the meaning of remark a and the number 131? Here's her syntax: NOMREG test (BASE=FIRST ORDER=ASCENDING) WITH v1 v2 v3 v4 v5 v6 v7 v8 v9 v10 /CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001) /MODEL /STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) REMOVALMETHOD(LR) /INTERCEPT=INCLUDE /PRINT=Classtable PARAMETER SUMMARY LRT CPS STEP MFI. Thanks for any idea. Mario Giesel Munich, Germany |
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Hi Mario. The annotated output on this UCLA webpage offers an explanation.
https://stats.idre.ucla.edu/spss/output/multinomial-logistic-regression/ Cheers, Bruce [hidden email] wrote > Dear experts, > a colleague wants to do a logistic regression with NOMREG and gets this > result: > > Case Processing Summary N Marginal Percentagetest ,00 358 35,8% 1,00 642 > 64,2%Valid 1000 100,0%Missing 0 Total 1000 Subpopulation 221a* *a The > dependent variable has only one value observed in 131 (59,3%) > subpopulations. > Q. 1: What does "Subpopulation" and the number 221 refer to?Q. 2: What is > the meaning of remark a and the number 131? > Here's her syntax: > > NOMREG test (BASE=FIRST ORDER=ASCENDING) WITH v1 v2 v3 v4 v5 v6 v7 v8 v9 > v10 /CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) > LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001) /MODEL > /STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) > REMOVALMETHOD(LR) /INTERCEPT=INCLUDE /PRINT=Classtable PARAMETER SUMMARY > LRT CPS STEP MFI. > Thanks for any idea. > > Mario GieselMunich, Germany > > ===================== > To manage your subscription to SPSSX-L, send a message to > LISTSERV@.UGA > (not to SPSSX-L), with no body text except the > command. To leave the list, send the command > SIGNOFF SPSSX-L > For a list of commands to manage subscriptions, send the command > INFO REFCARD ----- -- Bruce Weaver [hidden email] http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." NOTE: My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. -- Sent from: http://spssx-discussion.1045642.n5.nabble.com/ ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD
--
Bruce Weaver bweaver@lakeheadu.ca http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." PLEASE NOTE THE FOLLOWING: 1. My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. 2. The SPSSX Discussion forum on Nabble is no longer linked to the SPSSX-L listserv administered by UGA (https://listserv.uga.edu/). |
Re: Logistic regression puzzle
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Dear Bruce, this is very helpful. Thanks for helping me out! Happy Easter, Mario
Am Freitag, 2. April 2021, 08:47:36 MESZ hat Bruce Weaver <[hidden email]> Folgendes geschrieben:
Hi Mario. The annotated output on this UCLA webpage offers an explanation. https://stats.idre.ucla.edu/spss/output/multinomial-logistic-regression/ Cheers, Bruce [hidden email] wrote > Dear experts, > a colleague wants to do a logistic regression with NOMREG and gets this > result: > > Case Processing Summary N Marginal Percentagetest ,00 358 35,8% 1,00 642 > 64,2%Valid 1000 100,0%Missing 0 Total 1000 Subpopulation 221a* *a The > dependent variable has only one value observed in 131 (59,3%) > subpopulations. > Q. 1: What does "Subpopulation" and the number 221 refer to?Q. 2: What is > the meaning of remark a and the number 131? > Here's her syntax: > > NOMREG test (BASE=FIRST ORDER=ASCENDING) WITH v1 v2 v3 v4 v5 v6 v7 v8 v9 > v10 /CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) > LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001) /MODEL > /STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) > REMOVALMETHOD(LR) /INTERCEPT=INCLUDE /PRINT=Classtable PARAMETER SUMMARY > LRT CPS STEP MFI. > Thanks for any idea. > > Mario GieselMunich, Germany > > ===================== > To manage your subscription to SPSSX-L, send a message to > [hidden email] > (not to SPSSX-L), with no body text except the > command. To leave the list, send the command > SIGNOFF SPSSX-L > For a list of commands to manage subscriptions, send the command > INFO REFCARD ----- -- Bruce Weaver [hidden email] http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." NOTE: My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. -- Sent from: http://spssx-discussion.1045642.n5.nabble.com/ ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD |
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