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View Code? Open in Web Editor NEWToolbox for non-linear calibration modeling.
Home Page: https://calibr8.readthedocs.io
License: GNU Affero General Public License v3.0
Toolbox for non-linear calibration modeling.
Home Page: https://calibr8.readthedocs.io
License: GNU Affero General Public License v3.0
... or at least partically, because the build is actually current, but the HTML page title is outdated.
The following line should be replaced by a RegEx or some other mechanism to fetch the version number:
Line 25 in 02728c2
We have such regular expressions in other projects!!!
Thanks to @maxsiska for starting this discussion. @michaelosthege Should we discuss this soon?
This line errors, because None
is not a valid option:
ax.set(
xlabel=model.independent_key,
xscale="log" if logscale else None,
)
Should we implement a warning if scale_degree > 2 (or even starting with 2) is used? We could at least help the user question the choice this way.
We have contrib-models with StudentTNoise
, but models with normally distributed noise are much more common.
I have these implementations already, just need to write docstrings and tests.
ToDo:
NormalNoise
models for all three.When printed on paper, the contrast between the green areas is hard to see.
A thin gray or dark-green edgeline could help.
While working on #12 I added tests and came up with one to check if calibr8.core._get_hdi
is doing a good job.
It does not.
I believe the scipy.optimize.fmin
doesn't cope well with the switching inside the hdi_objective
, or at least not in combination with the step-function like area calculation by _interval_prob
.
Some starting points to fix this:
x_cdf
and cdf
input. (Hypothesis: It's not smooth, but has step functions in one dimension.)test_interval_prob
to an interpolation that should give much more accurate results compared to the step-function. (Also nicer conceptually!)test_get_hdi
as a starting point, because it's HDI is easy to determine analytically (centerline of the triangle to its right flank).Here, the plot_model
function tries to use plot_t_band
irrespective of the actual noise model:
https://github.com/JuBiotech/calibr8/blob/master/calibr8/utils.py#L326-L365
Instead of hard-coding a plot_xyz_band
, we can probabily generalize over al continuous distributions by using the DistributionMixin.scipy_dist
class attribute that comes with each model.
@lhelleckes would you like to take a look at this?
In this line the BaseLogIndependentAsymmetricLogisticN.predict_dependent
slices away the last parameter, thereby rendering sigma_degree=1
ineffective.
I'll open a PR to fix this right away.
The example notebooks and the documentation are not up to date.
We should make some changes to ensure that the code runs as advertised.
All this code uses only self.likelihood
, so it can be easily extracted into a function.
This makes it a little easier to test, or to re-use in other contexts.
Working on #12 I started changing the broadcasting behavior of CalibrationModel.likelihood
and CalibrationModel.loglikelihood
, but it's not as simple and deserves it's very own issue & PR.
What needs to be done:
shape_indep, shape_obs, model_ndim, scan_x
combinations and precisely define the shape_expected
.shape_indep
may be higher-dimensional, for example when broadcasting with a 5-dimensional tensor..scan_x
if the broadcasting behavior is clearly defined?CalibrationModel.loglikelihood
and CalibrationModel.likelihood
The function is used by, for example, fit_scipy
to check for and mask out NaN or infinity values in the data.
On multivariate independent
inputs we should either skip that check or make it compatible.
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