You can download a demo from www.statgraphics.com Regards, Tuan Le -----Original Message----- From: Martin Christie [mailto:[log in to unmask]] Sent: Monday, March 27, 2000 11:40 PM To: [log in to unmask] Subject: Re: [TN] Realiability info: Failure rate with confedence level Alan, Where can we find "Statgraphics"? Martin Christie ===== Original Message from [log in to unmask] (TechNet E-Mail Forum.) at 24/03/00 18:05 >Ken, >There is a great program out called "statgraphics" it has a module which >is called "forecasting" and it will, given a set of variables, do a >pretty fair job of determining anticipated failure rates. It also has >every type of graphing function you may want. > >Regards, > >Alan B. Cochrane > > >Ken Patel wrote: >> >> Reliability/Quality Guru, >> I received this question from our engineering department. >> >> Currently, they are seeing 1 system crash out of 10 times. They want to >> improve the crash rate to 1 failure every 30 times with 90% confidence >> level. They want to know how many operation "X" they will run with no more >> than "Y" failures with 90% confidence level which will yield 1 failure every >> 30 times. >> >> I do not know how to solve it as haven't practiced it. Am I providing enough >> information or what information is needed to make a sense out of it? What >> kind of model it will fit, Poisson, Binomial, etc? >> >> Any help will be highly appreciated. >> >> re, >> ken patel >> >> ______________________________________________________ >> Ken Patel Phone: (408) 490-6804 >> 1708 McCarthy Blvd. Fax: (408) 490-6859 >> Milpitas, CA 95035 Beeper: (888) 769-1808 >> >> ############################################################## >> TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c >> ############################################################## >> To subscribe/unsubscribe, send a message to [log in to unmask] with following text in >> the body: >> To subscribe: SUBSCRIBE TECHNET <your full name> >> To unsubscribe: SIGNOFF TECHNET >> ############################################################## >> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional >> information. >> If you need assistance - contact Keach Sasamori at [log in to unmask] or >> 847-509-9700 ext.5315 >> ############################################################## > >############################################################## >TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c >############################################################## >To subscribe/unsubscribe, send a message to [log in to unmask] with following text in >the body: >To subscribe: SUBSCRIBE TECHNET <your full name> >To unsubscribe: SIGNOFF TECHNET >############################################################## >Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional >information. >If you need assistance - contact Keach Sasamori at [log in to unmask] or >847-509-9700 ext.5315 >############################################################## ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################