Sentences with phrase «for lognormal»

So for lognormal SD ~ 1 there are a lot of random, multiplicative, feedbacks and all are positive?

Not exact matches

I used this range, assuming a lognormal distribution, along with the mean value of 1.53, in the calculation for the TCR.

Assuming a lognormal excess luminosity function, we put upper limits on the median HZ dust level of 13 zodis (95 % confidence) for a sample of stars without cold dust and of 26 zodis when focussing on Sun - like stars without cold dust.

You get a VERY different result if you even use a lognormal prior with a standard deviation of 0.65 - 0.85 (which maximizes width / Kurtosis for a given mean).

snarkrates: 1) I've not had occasion to try Weibull, but lognormal has been useful (for analysis of computer performance benchmarks based on performance ratios.)

I wouldn't consider using a plain lognormal distribution for ECS or TCR, but how far it differs from a better fitting approximation will very from estimate to estimate.

Assuming the conventional 1.5 - 4.5 K IPCC uncertainty range (and its translation by Wigley & Raper, 2001, into a lognormal pdf assuming the range to be a 90 % confidence interval), this risk of overshooting 2 °C is about 75 % (13 %) in equilibrium for 550ppm (400ppm) CO2 equivalence stabilization.