[R] Lognormal distribution - Range Factor

2010-08-01 Thread Tims Corbett
Hi, What does it mean to say Lognormal distribution with a mean of 1.03E-6 with a range factor of 100 ? How can I find the lognormal distribution paramters from this information? Thanks, Tims [[alternative HTML version deleted]] __ R-help@r-pro

[R] interval censored grouped data

2010-07-03 Thread Tims Corbett
Hi All, I have data in the following format: Inspection #failures Month/Year 01/99 5 02/99 20 06/993 01/02 3 for 11 years ... the prob of failure on demand per month pfd is #Total failures / sample size(=total components