Error Floating Point Overflow
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Floating Point Overflow C++
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If any of the estimated covariance parameters are negative, the use of the METHOD=TYPE1, METHOD=TYPE2 or METHOD=TYPE3 option in the PROC MIXED statement along with the PRIOR statement may result in messages such as: ERROR: Floating Point Overflow. ERROR: Termination due to Floating Point Exception. NOTE: The SASFloating Point Overflow Fortran
System stopped processing this step because of errors.
There is no circumvention for this problem when it occurs. Click the Hot Fix tab in this note to access the hot fix for this issue. Operating System and Release InformationProduct FamilyProductSystemSAS ReleaseReportedFixed*SAS SystemSAS/STATz/OS9.2 TS2M39.3 TS1M0Microsoft® Windows® for 64-Bit Itanium-based Systems9.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 Datacenter 64-bit Edition9.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 Enterprise 64-bit Edition9.2 TS2M39.3 TS1M0Microsoft Windows XP 64-bit Edition9.2 TS2M39.3 TS1M0Microsoft® Windows® for x649.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 Datacenter Edition9.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 Enterprise Edition9.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 Standard Edition9.2 TS2M39.3 TS1M0Microsoft Windows Server 2003 for x649.2 TS2M39.3 TS1M0Microsoft Windows Server 20089.2 TS2M39.3 TS1M0Microsoft Windows Server 2008 for x649.2 TS2M39.3 TS1M0Microsoft Windows XP Professional9.2 TS2M39.3 TS1M0Windows 7 Enterprise 32 bit9.2 TS2M39.3 TS1M0Windows 7 Enterprise x649.2 TS2M39.3 TS1M0Windows 7 Home Premium 32 bit9.2 TS2M39.3 TS1M0Windows 7 Home Premium x649.2 TS2M39.3 TS1M0Windows 7 Professional 32 bit9.2 TS2M39.3 TS1M0Windows 7 Professional x649.2 TS2M39.3 TS1M0Windows 7 Ultimate 32 bit9.2 TS2M39.3 TS1M0Windows 7 Ultimate x649.2 TS2M39.3 TS1M0Windows Vista9.Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies fixed point overflow of this site About Us Learn more about Stack Overflow the company floating point operation Business Learn more about hiring developers or posting ads with us Cross Validated Questions Tags Users Badges Unanswered Ask
Floating Point Basic
Question _ Cross Validated is a question and answer site for people interested in statistics, machine learning, data analysis, data mining, and data visualization. Join them; it only takes a minute: http://support.sas.com/kb/42826 Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Floating Point Overflow while computing the Kaplan-Meier estimator in SAS up vote 3 down vote favorite I try to estimate survival curves based on a Kaplan-Meier estimator using proc lifetest. However, SAS outputs an error message which I http://stats.stackexchange.com/questions/24614/floating-point-overflow-while-computing-the-kaplan-meier-estimator-in-sas do not manage to circumvent. Can you help me? The data set is available here. My code filename work_di "TO BE COMPLETED"; data data; infile work_di("data.txt") dlm="09"x firstobs=2; input id centre time event x $; run; proc lifetest data=data method=KM plots=none; time time * event(0); by centre x; ods output ProductLimitEstimates = surv; run; Error message NOTE: The LOGLOG transform is used to compute the confidence limits for the quartiles of the survivor distribution. To suppress using this transform, specify CONFTYPE=LINEAR in the PROC LIFETEST statement. ERROR: Floating Point Overflow. NOTE: The data set WORK.SURV has 77 observations and 10 variables. ERROR: Termination due to Floating Point Exception NOTE: The SAS System stopped processing this step because of errors. NOTE: PROCEDURE LIFETEST used (Total process time): real time 0.09 seconds cpu time 0.03 seconds survival sas kaplan-meier share|improve this question asked Mar 14 '12 at 7:28 ocram 11.3k23758 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote accepted There are quite a few 1e+308 as time to event in your dataset (variable time). I'd say that your problem is due to
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