PMI | PMI 是互信息 中的一种特例 而互信息 是源于信息论中的一个概念
kandi X-RAY | PMI Summary
kandi X-RAY | PMI Summary
关于PMI PMI, 是互信息(NMI)中的一种特例, 而互信息, 是源于信息论中的一个概念,主要用于衡量2个信号的关联程度. 至于PMI,是在文本处理中,用于计算两个词语之间的关联程度. 比起传统的相似度计算, pmi的好处在于,从统计的角度发现词语共现的情况来分析出词语间是否存在语义相关 , 或者主题相关的情况.
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Top functions reviewed by kandi - BETA
- Make a list of words from a text file
- Extract words from a sentence
- Remove emoji from sentence
- Takes a sentence and cuts all words in speech
- Cleans the given sentence
- Tokenizes a sentence
- Removes emoji from given sentence
- Calculate the score of a word
- Calculate the NMI
- Calculates the probability of words in a document
- Calculate the score between two words
- Calculates the probability of a document
- Calculates the similarity between two words
- Tokenize sentence
- Returns a dictionary of word frequency
- Calculate the similarity between two words
- Tokenize a sentence
PMI Key Features
PMI Examples and Code Snippets
Community Discussions
Trending Discussions on PMI
QUESTION
I have a json which is invalid. But still I have to parse by parsing or whatsoever means. Here is the json:
...ANSWER
Answered 2021-May-17 at 10:11Your algorithm works in that way that once your code reaches ANY END_OBJECT
token, it breaks out the only unnested while
in your code. This happens because your code does not handle state for each particular complex subelement (i.e. arrays and objects), therefore the first empty object in assetClassDetails
cannot be distinguished from the top object end. Either use a stack to hold a state of each subelement or use recursion:
QUESTION
I have an invalid json coming from front end which I have no control. The json is like this:
...ANSWER
Answered 2021-May-13 at 09:47If keys and values are not formatted as in the question, arbitrarily, you can't fix the JSON on your end, it should be fixed on the provider's side.
Assuming the key-value pairs are on separate lines you may use
QUESTION
I'm creating a ggplot
chart where I want to have some arrows between two points. The main task is easily done with geom_line(arrow = arrow())
, but as you can see the arrow don't signal the correct direction of "Previo" to "Actual" for some observations (Germany, France). This is my code:
ANSWER
Answered 2021-Apr-26 at 17:00Sorting by Mes and using geom_path
seems to work, by drawing the line in the order of the sorted data rather than based on x progression.
QUESTION
I would like to create a dummy variable for % Change PMI. If % Change PMI is positive is 1 and if negative a 0.
...ANSWER
Answered 2021-Apr-20 at 20:28df['dummy'] = 0
for i in range(0,len(df)):
if df["% Change PMI"][i] > 0:
df['dummy'][i] = 1
else:
df['dummy'][i] = 0
QUESTION
I am using Pandas on Python 3.7.7. I would like to compute the mutual information between categorical values of a variable x
grouped by another variable's values y
. My data looks like the following table:
ANSWER
Answered 2021-Mar-18 at 09:39In the end, I managed to compute cross occurrences in a memory friendly way using scipy sparse matrices for the intermediate computations:
QUESTION
Here is the GET REQUEST
...ANSWER
Answered 2021-Mar-18 at 06:26You are looping through the list, every time its writing value to "label1.Text". Use SingleOrDefault()/FirstOrDefault(). Dont use foreach loop.
Example:
var firstValue=results.Places.FirstOrDefault(); label1.Text = firstValue.PlaceId;
QUESTION
How to build MPICH with gfortran-10, gcc-10 and g++-10?
BackgroundI want to build MPICH with grortran-10 so as to be able to use up to date MPI bindings, but I haven't managed to do so. Trying to install MPICH via apt on Ubuntu always uses gfortran 7.5.0 (same version with gcc and g++), even if I have latest version of gfortran installed. Just for clarity, here is my current MPICH and gfortran configuration (installed via apt) :
...ANSWER
Answered 2021-Jan-17 at 10:30I followed advice VladimirF gave me in the comments, and everthing worked out. This site provided all the necessary guidelines. Only a few minor problems had to be dealth with. Before I could create ./configure
file, I was prompted to install some missing autotools, which was simply done using apt
. Once ./configure
file was ready, I passed in the mostly same configuration that apt
originally installed MPICH with (see the long list original question), with 'FC = gfortran-10' 'CC = gcc-10' 'CXX = g++-10'
replacing 'FC = gfortran' 'CC = gcc' 'CXX = g++'
. Several more prompts had to be dealt with (mostly adding something to configuration or installing missing packages, easily done with Synaptic package manager). After doing all the steps, F08 bindings were succesfully built and work properly. Here is my current MPICH configuration :
QUESTION
I have some Fortran code I would like to paralelize with MPI. Appereantly, recomended way to use MPI (MPICH, in my case) with Fortran is through mpi_f08
module (mpi-forum entry on the matter), but I have trouble making it work, since corresponding mod file is simply not created (unlike mpi.mod
, which works fine, but it's not up to date with Fortran standart). This discussion left me under the impression it's because gfortran can't build the F08 bindings. Below you can see my configuration, both gfortran and mpich have been installed throught apt install on ubuntu and should be up to date. I'm unsure about a few things :
- Is there any way to make the Fortran 2008 MPI syntax work with gfortran? From what I came across, it seems the answer is no, but hopefully someone may know a fix. I'm not too versed in this, so any relavant links or more entry level explanation would be greatly appreciated.
- Could using different compiler help? Intel compiler* maybe? I would rather stick with gfortran if reasonable.
- Maybe consistency with current standart isn't such a big deal. From your experience, would it be better to just go with support through mpi.mod module? What problems could I expect then? My application doesn't have much long term ambition, so falling out of support some time later isn't a big problem if it works properly now.
It seem's to have been problem of using outdated version of gfortran. This reduces my question to how to build MPICH with gfortran-10.
* hence the [intel-fortran] tag, feel free to remove it if you think it redundantJust for clarity, there's my gfortran and mpich configuration
...ANSWER
Answered 2021-Jan-16 at 14:57MPICH requires the Fortran compiler to support the array descriptor of Technical Specification 29113, and this is only supported in recent versions of gfortran
(GNU 10 is ok).
Intel compilers have been fine for a while fwiw.
Note that Open MPI is not that picky w.r.t. TS 29113 and does not need support for the array descriptor. GNU 7.5 can be used to generate the mpi_f08
module.
Bottom line, you have two options w.r.t. the mpi_f08
Fortran module:
- use a Fortran support that meets MPICH expectation w.r.t. TS 29113 (e.g. GNU 10, or Intel compilers for example)
- move to Open MPI
QUESTION
i have a django installation with currently two apps ( common / destinations ) and i want to create custom api views across these apps.
in common i have a model country
models.py app common
...ANSWER
Answered 2020-Aug-26 at 06:54class All_HomePage(APIView):
def get(self,request):
#get destination_data
data = Destination.objects.all()
destination_ser = DestinationSerializer(data,many=True)
destination_data=[]
for record in destination_ser.data:
code = record['code']
image = record['image']
destination_data.append({"code":code ,"destination_image":image})
#get country_data
data = Country.objects.all()
country_ser = CountrySerializer(data,many=True)
country_data=[]
for record in country_ser.data:
image = record['image']
country_data.append({"country_image":image,})
return Response({
"destination_data":destination_data, "country_data":country_data,
})
QUESTION
i want to learn django.
My first learning project is a django + rest framework api.
i want to get a destination by its airport code. not by pk / id
currently when i call /api/destination/1 i get the destination with id 1
i want something like /api/destination/PMI or /api/destination/mallorca and as response i only want to get the destination with code PMI or with name mallorca.
is this possible?
my files:
modely.py
...ANSWER
Answered 2020-Aug-24 at 10:32Use an action decorator to create a custom get method
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install PMI
You can use PMI 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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