itadd mcmc methods - cosmo - front and backend for Markov-Chain Monte Carlo inversion of cosmogenic nuclide concentrations	Err	mx1.adamsgaard.dk	70
hgit clone git://src.adamsgaard.dk/cosmo	URL:git://src.adamsgaard.dk/cosmo	mx1.adamsgaard.dk	70
1Log	/src/log.gph	mx1.adamsgaard.dk	70
1Files	/src/files.gph	mx1.adamsgaard.dk	70
1Refs	/src/refs.gph	mx1.adamsgaard.dk	70
1README	/src/file/README.md.gph	mx1.adamsgaard.dk	70
1LICENSE	/src/file/LICENSE.gph	mx1.adamsgaard.dk	70
i---	Err	mx1.adamsgaard.dk	70
1commit 4769723624cf47e9a1c827ebe1388971f8616e2c	/src/commit/4769723624cf47e9a1c827ebe1388971f8616e2c.gph	mx1.adamsgaard.dk	70
1parent c61d24deab6ce81dcb4e8b538cab571d035beb2e	/src/commit/c61d24deab6ce81dcb4e8b538cab571d035beb2e.gph	mx1.adamsgaard.dk	70
hAuthor: Anders Damsgaard <anders.damsgaard@geo.au.dk>	URL:mailto:anders.damsgaard@geo.au.dk	mx1.adamsgaard.dk	70
iDate:   Fri, 27 Nov 2015 15:34:25 +0100	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
iadd mcmc methods	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
iDiffstat:	Err	mx1.adamsgaard.dk	70
i  M pages/methods.html                  |      26 ++++++++++++++++++++++++--	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
i1 file changed, 24 insertions(+), 2 deletions(-)	Err	mx1.adamsgaard.dk	70
i---	Err	mx1.adamsgaard.dk	70
1diff --git a/pages/methods.html b/pages/methods.html	/src/file/pages/methods.html.gph	mx1.adamsgaard.dk	70
it@@ -52,13 +52,35 @@	Err	mx1.adamsgaard.dk	70
i                 <div id="mcmc" class="section scrollspy">	Err	mx1.adamsgaard.dk	70
i                     <h3 class="header blue-text">	Err	mx1.adamsgaard.dk	70
i                         Markov-Chain Monte Carlo (MCMC) basics</h3>	Err	mx1.adamsgaard.dk	70
i-                    <p>bla bla</p>	Err	mx1.adamsgaard.dk	70
i+                    <p>The inversion problem of turning observed TCN	Err	mx1.adamsgaard.dk	70
i+                    concentrations into erosion histories is handled using a	Err	mx1.adamsgaard.dk	70
i+                    conventional Metropolis-Hastings MCMC approach where the	Err	mx1.adamsgaard.dk	70
i+                    model parameters are constrained between fixed model	Err	mx1.adamsgaard.dk	70
i+                    parameter bounds specified by the user. Erosion rates	Err	mx1.adamsgaard.dk	70
i+                    (&epsilon;<sub>int</sub>, &epsilon;<sub>gla</sub>), which	Err	mx1.adamsgaard.dk	70
i+                    may vary over several orders of magnitude, are specified	Err	mx1.adamsgaard.dk	70
i+                    with uniform probability across the logarithmic parameter	Err	mx1.adamsgaard.dk	70
i+                    interval. The temporal parameter (<i>t</i><sub>degla</sub>)	Err	mx1.adamsgaard.dk	70
i+                    and climate record threshold value	Err	mx1.adamsgaard.dk	70
i+                    (&delta;<sup>18</sup>O<sub>threshold</sub>) is specified	Err	mx1.adamsgaard.dk	70
i+                    with uniform probability across the linear	Err	mx1.adamsgaard.dk	70
i+                    parameter interval. The user specifies the bounds	Err	mx1.adamsgaard.dk	70
i+                    of the model parameters, which define the model space.	Err	mx1.adamsgaard.dk	70
i+                    </p>	Err	mx1.adamsgaard.dk	70
i                 </div>	Err	mx1.adamsgaard.dk	70
i 	Err	mx1.adamsgaard.dk	70
i                 <div id="mcmcwalker" class="subsection scrollspy">	Err	mx1.adamsgaard.dk	70
i                     <h4 class="header blue-text light">	Err	mx1.adamsgaard.dk	70
i                         What is a MCMC walker?</h4>	Err	mx1.adamsgaard.dk	70
i-                    <p>bla bla</p>	Err	mx1.adamsgaard.dk	70
i+                    <p>	Err	mx1.adamsgaard.dk	70
i+                    forward responses are computed based on an initial set of	Err	mx1.adamsgaard.dk	70
i+                    model parameters that is proposed using the	Err	mx1.adamsgaard.dk	70
i+                    Metropolis-Hastings technique. A burn-in phase of 1000	Err	mx1.adamsgaard.dk	70
i+                    iterations is first used to make a crude initial search of	Err	mx1.adamsgaard.dk	70
i+                    the model space. This step is followed by a more detailed	Err	mx1.adamsgaard.dk	70
i+                    and local search of the model space based on the best-fit	Err	mx1.adamsgaard.dk	70
i+                    model parameters from the burn-in phase.	Err	mx1.adamsgaard.dk	70
i+                    </p>	Err	mx1.adamsgaard.dk	70
i                 </div>	Err	mx1.adamsgaard.dk	70
i 	Err	mx1.adamsgaard.dk	70
i                 <div id="twostage" class="section scrollspy">	Err	mx1.adamsgaard.dk	70
.