PyMC | A Python Minecraft Server implementation , made for speed | Video Game library
kandi X-RAY | PyMC Summary
kandi X-RAY | PyMC Summary
#PyMC - A python Minecraft server implementation. Compatible with different python implementations such as: Cpython, PyPy Aimed to provide good async support for plugins aswell as utilize databases out of the box.
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Top functions reviewed by kandi - BETA
- Process a received packet .
- Creates a welcome message
- Encode this event .
- Start the server .
- Initialize the object .
- Encode a list of chunks .
- Unregisters an event .
- Returns the bitmask of the chunk .
- Decorate a function as a function .
- Append a message to the list .
PyMC Key Features
PyMC Examples and Code Snippets
Community Discussions
Trending Discussions on PyMC
QUESTION
I'm trying to include a black box likelihood function in a pymc3 model. This likelihood function just takes a vector of parameter values and returns the likelihood (all data is already included in the function).
So far I've been following this guide and have modified the code as follows to accommodate the fact my model only has one parameter k.
...ANSWER
Answered 2021-Nov-05 at 09:42As per the comments I checked out this thread and discovered that pm.potential really was the cleanest way to achieve black-box likelihood. Modifying the code above as follows did the trick:
QUESTION
data source: https://catalog.data.gov/dataset/nyc-transit-subway-entrance-and-exit-data
I tried looking for a similar problem but I can't find an answer and the error does not help much. I'm kinda frustrated at this point. Thanks for the help. I'm calculating the closest distance from a point.
...ANSWER
Answered 2021-Oct-11 at 14:21geopandas 0.10.1
- have noted that your data is on kaggle, so start by sourcing it
- there really is only one issue
shapely.geometry.MultiPoint()
constructor does not work with a filtered series. Pass it a numpy array instead and it works. - full code below, have randomly selected a point to serve as
gpdPoint
QUESTION
I have a website where I document a list of installed pythonic libraries.
For each library, I want to have available:
- The name of the library (obviously)
- A link to the documentation for the library (because documentation is useful)
- A brief description of the library (so people can quickly see what the library does)
- The currently installed version (to stop people asking me "Are you using version x.y?")
My current solution is to use the name as the text of a link, href
'd to its documentation, and accept that the version & description are supplementary information, and can be made available to the user using a tool-tip - so they can sit in a title
attribute
Example:
...ANSWER
Answered 2021-Sep-08 at 08:25Use focus-within
rather than focus
QUESTION
To continue my research on how to plot a xml file and continue checking my code, I first applied a division to signal.attrib ["Value"]
, since it shows some string values and what I'm interested in is the numeric values.
And as you can see below, I relied on the documentation for Pandas and SQL Compare.
...ANSWER
Answered 2021-Jun-03 at 15:25Yes you can, with xticks().
QUESTION
I want to make a mixture of two TruncatedNormal distributions in pymc3.
I am trying to modify this piece of documentation. See example #2 for Poisson.
...ANSWER
Answered 2021-Apr-15 at 16:01You don't need to give the distribution a name. The string tn1
passed as first the argument to pm.TruncatedNormal.dist
is interpreted as mu
(as you pass a named mu
also, you get the exception). Try
QUESTION
I'm trying to understand how to use a black box likelihood function in pymc. Basically, this is explained here. I have tried implementing this on my own with a very simple Python model (a double logistic function), and no gradient. In addition to the code in the link I mentioned, that sets up the theano wrappers around the loglikelihood function, I have the following code
...ANSWER
Answered 2020-Oct-09 at 10:52So it turns out that there's an issue with the blackbox likelihood example: Don't use pm.DensityDist
, but rather pm.Potential
(see this arviz issue). The example now works correctly, even using scipy.optimize.approx_fprime
to approximate the gradient of the log-likelihood:
QUESTION
I'm struggling to understand how observed data works in pymc3. From the information I've found so far, these two examples have been the most helpful for getting me as far as I have, but I can't get my model to work.
As an example of what I'm trying to do, say I have records from customers at a restaurant, recording the temperature of the day on a categorical rating scale out of 5, and whether or not they ordered a main meal, a side, or a beverage. I've set up some mock data like so:
...ANSWER
Answered 2020-Jul-26 at 04:41With some help from the pymc3 discourse I got it working. I'd somehow gotten the idea that I needed to make sure all the shapes were the same, but I didn't need to specify them at all. Code below for anyone else who has trouble.
QUESTION
I am trying to visualize simple linear regression with highest posterior density (hpd) for multiple groups. However, I have a problem to apply hpd for each condition. Whenever I ran this code, I am extracting the same posterior density for each condition. I would like to visualize posterior density that corresponds to it's condition. How can I plot hpd for each group?
EDIT: Issue has been solved in PyMC3 discourse
...ANSWER
Answered 2020-Jul-02 at 16:31I have answered the question on PyMC3 discourse, please refer there for a more detailed answer.
I am sharing part of the answer here too for completeness:
There are a couple of small modifications to the code that should fix the problem. However, I'd recommend taking advantage of ArviZ and xarray as it is shown in this notebook.
QUESTION
I've been trying to implement and estimate, with pymc3, a basic stochastic volatility (SV) model of the following form:
r_t = exp{h_t/2}*e_t
h_t = r_0 + r_1*h_{t-1} + n_t
where r_t is the return process and h_t the (latent) log-variance process following a AR(1) process. My code (MWE) for this looks as follows:
...ANSWER
Answered 2020-Jun-15 at 17:00Having asked the same question on the pymc3 discours pages. The developers responded and the reason for the above error is that for pm.sample_prior_predictive
to work, one needs the random()
method, which is only implemented for the GRM. However, pm.sample
works just fine.
QUESTION
I am not a user of PyMC myself, but recently I stumbled upon this article that showed a snippet of some PyMC model:
...ANSWER
Answered 2020-Apr-21 at 16:59Disclosure: I'm the author of the original linked article.
I think your main misunderstanding is this: Python generators can not only yield values to you, but you can also send back values to generators using generator.send()
. Thus, bar = yield foo
would yield foo
to you; the generator will wait until you send it another value (which can be None
, which is what happens if you just call next(generator)
!), assign that value to bar
, and then continue running the generator.
Here's a simple example:
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Install PyMC
You can use PyMC like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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