hmm | Hidden Markov Model Viterbi MAP estimation
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hmm Examples and Code Snippets
Lines of Code : 152
License : No License
Copydef fit(self, X, max_iter=25, eps=1e-1):
# train the HMM model using the Baum-Welch algorithm
# a specific instance of the expectation-maximization algorithm
# concatenate sequences in X and determine start/end positions
def fit(self, X, max_iter=25, eps=1e-1):
# train the HMM model using the Baum-Welch algorithm
# a specific instance of the expectation-maximization algorithm
# concatenate sequences in X and determine start/end positions
def fit(self, X, max_iter=30, eps=1e0):
# train the HMM model using the Baum-Welch algorithm
# a specific instance of the expectation-maximization algorithm
N = len(X)
D = X[0].shape[1] # assume each x is organized (T Community Discussions
Trending Discussions on hmm
QUESTION
I want to sort each column in react. I can do it, but forcing the code, for example if I have this array and display it in a html table, I want when I click id it sort in ascending order, when I click name it sort in ascending order and when click again it sort descending order, i want the same with name and age. And at the same time i want an arrow that if that column is in ascendig is looking up otherwise is looking down.
...ANSWER
Answered 2021-Jun-13 at 18:52You may want to have sorting callbacks within a mapping object (by property name or by property type).
Also, do not forget to leverage useMemo()/ useCallback() hooks to boost sorting performance through memoizing the sorting output (which may be beneficial for large number of items):
QUESTION
I am using some conda envs in my workflow which contain useful assets (data, models, etc) that are not in the environment bin/ path, e.g. specific files found under share/ , opt/ or other.
Is there a standard way to access these paths from within the workflow? Maybe a variable containing the path to the environment? Otherwise, I'm finding myself using all sorts of Linux tricks to locate these files. Things like:
ANSWER
Answered 2021-Jun-08 at 08:05The variable $CONDA_PREFIX contains the path to the current activated environment. From there it should be easy to go to share, opt etc.
If this doesn't help, try posting the directory tree of your setup and what you want to access as it is not entirely clear, at least to me.
QUESTION
Supposed that you have a python class (say B) that is a derived class of some other class (say A) and that class A has both class variables and @classmethods that help you change or view these class variables. I had assumed that a @classmethod in class A that sets a class A class variable using the syntax cls.variable_name = value would work.
This seems to work sometimes but not always which confuses me. Below is an example that does not set the class variables as I would expect. Therefore I cannot tell what cls.something will be accessing and so I have to use A.something which seems that I will be missing the capabilities of cls.something in @classmethods. What does cls.something actually access in class methods and why does the following example not set the test class class variables?
The following example with output hopefully demonstrates what I mean:
...ANSWER
Answered 2021-May-26 at 23:11Is it because
c.set_formatsuses the class method withclsbeing an instance?
Yes, you can check via print calls showing the ids of the involved objects.
QUESTION
I try to deserialize json :
...ANSWER
Answered 2021-May-12 at 13:41There is @JsonUnwrapped annotation for this. Should work like this:
QUESTION
I'm working on a project that'll display uptime based on an IP. The code is supposed to pull the IP from a model attribute, ping the IP address, and return either a 0 or a 1, which'll be passed to the HTML and checked for there.
I've ran the steps through in the python shell and got the data needed, but when running my test server, I get this error:
...ANSWER
Answered 2021-May-08 at 04:40Some changes will be required. You can put logic accordingly. The main reason you are getting this error is because you are returning just the status_code inside for loop. I changed it to something like this and it worked.
QUESTION
Imagine a datastream like this
A,A,B,A,C,C,C,A,B,A,A,A,B...
Now lets assume we have a StreamProcessor that will handle the stream. We can process A,B,C in parallel but individual As,Bs,Cs have to be processed in sequence.
Example:
Thread 1: Processes all As in sequence
Thread 2: Processes all Bs in sequence
and so on...
So for A,B,C I have a StreamProcessor (SP).
Each of the stream elements has a timestamp and thus can be ordered by time (It actually comes in the correct sequence). The elements have to be processed in time sequence.
So now I split up all my stream elements to their processors (SPA,SPB,SPC).
I have a TreeSet in ever SP where I add the elements.
So whenever there is a new element I basically do this:
...ANSWER
Answered 2021-Apr-30 at 16:06I would do it like this (PseudoCode-Like):
QUESTION
I have a set of txt files that I need to parse and insert to MySQL. I'm trying to write a bash script to sanitise the data, before attempting SQL INSERTs.
Files are often in format:
...ANSWER
Answered 2021-Apr-26 at 14:03Why bother determining the delimiter? Just allow either delimiter.
Here we replace the first ,/;/: we encounter after each @ with your custom delimiter :::
QUESTION
Hmm why is this not working?
...ANSWER
Answered 2021-Apr-26 at 08:11You need to collect into an intermediary Vec:
QUESTION
How can I use a custom build of Newtonsoft.Json in my project which forces the transitive nuget packages to use my custom package?
Details:We are using Newtonsoft.Json and have stumbled across a bug in it. There's an open PR to fix it, but it's going no where.
Instead, I've forked, patched and created my own nuget package - works fine!
Now, I've got a 3rd party nuget package which has an older version of Newtonsoft.Json in it .. and now it's complaining that I need to use that specific version. When I manually use the most recent version explicitly in my project, there's no errors from the transitive versions. Hmm.. okay. When I use my version, it complains saying it wants to transitive version added.
My guess is that my custom build of Newtonsoft.Json has publicKeyToken=null where as the official ones are publicKeyToken=30ad4fe6b2a6aeed
I also don't believe I can sign the custom dll to have the same publicKeyToken? (Side note: There is a Strong Name Key file in the repo, though. I'm not sure if i can use this?)
So is there anything I can do?
Is there a way to say to all transitive nuget packages to use my version of Newtonsoft.Json instead of the older, official one?
Update- Here's a repo of the problem: https://github.com/PureKrome/Custom-NSJson-NotWorking
ANSWER
Answered 2021-Apr-22 at 19:44Side note: There is a Strong Name Key file in the repo, though. I'm not sure if i can use this?
Yes, if there’s a key that you can use, then you should use it to recreate a signed package. Assembly signing is a remnant from the past when there was the .NET Framework with its Global Assembly Cache (GAC). The GAC required all assemblies to be signed as some means to protect shared assemblies from being quietly overwritten by a third party. Many packages were signed just in case someone needed to deploy the assembly through the GAC.
In the world of open source where everyone should be able to recreate a package, keeping the key secret didn’t really make much sense. It also isn’t really a protection (like signing a NuGet package would be). Instead, it is just a thing that you need to do in order to allow users to consume the assembly via the GAC. Most open source packages eventually started to add the key to their repo.
So you should try to create a signed package for your Newtonsoft.Json fork, if the key isn’t protected (didn’t check this but you should easily find out once you try using it).
Once you have a valid package, you will have to make it available though. So you will need to create a package source that comes before NuGet.org to avoid the original Newtonsoft.Json from being resolved instead. You should also make sure to clear your local NuGet cache since your updated package with the same version will not automatically replace the existing version.
If that all doesn’t help, and that other library still attempts to resolve to a different assembly version, then you could also configure a custom handler that intercepts the assemble resolve process.
I’ve used the following code in the past to remove a hard dependency on an older version of Newtonsoft.Json that some library had that I needed to use. When an unresolved assembly gets requested and that name happens to be "Newtonsoft.Json" (with whatever version and public key token), then I instead return whatever Newtonsoft.Json assembly I have around (that being a newer version, or even possibly an unsigned fork) and resolve to that one instead:
QUESTION
I have a large table with a comments column (contains large strings of text) and a date column on which the comment was posted. I created a separate vector of keywords (we'll call this key) and I want to count how many matches there are for each day. This gets me close, however it counts matches across the entire dataset, where I need it broken down by each day. The code:
...ANSWER
Answered 2021-Apr-21 at 18:50As pointed out in the comments, you can use group_by from dplyr to accomplish this.
First, you can extract keywords for each comment/sentence. Then unnest so each keyword is in a separate row with a date.
Then, use group_by with both date and comment included (to get frequency for combination of date and keyword together). The use of summarise with n() will give number of mentions.
Here's a complete example:
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