Related
I'm currently using different types of pretrained models with a specific dataset containing images. As language and tecnology I'm using python and PyTorch.
I was following the pytorch documentation to proper implement the weights: https://pytorch.org/vision/stable/models/generated/torchvision.models.swin_b.html#torchvision.models.swin_b and https://pytorch.org/vision/stable/models/generated/torchvision.models.swin_b.html#torchvision.models.swin_b.
But, when I run using the swin_b pretrained model I'm getting this warning at the end of the execution:
Final Result
Final Raw matrix:
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Final Classification Report:
...\lib\site-packages\sklearn\metrics\_classification.py:1334: UndefinedMetricWarning: Precision and F-score are ill-defined and being set to 0.0 in labels with no predicted samples. Use `zero_division` parameter to control this behavior._warn_prf(average, modifier, msg_start, len(result))
I've imported the model using the following command:
from torchvision.models import swin_b as SwinTransformer
And I've tried different approaches for weights parameter, as follow:
model = SwinTransformer(weights='DEFAULT')
model = SwinTransformer(weights='IMAGENET1K_V1')
I also tried to import the Swin_B_Weights using: import torchvision.models.Swin_B_Weights.
model = SwinTransformer(weights=Swin_B_Weights.DEFAULT)
model = SwinTransformer(weights=Swin_B_Weights.IMAGENET1K_V1)
But in the end, I'm always receiveing the same warning. Can someone help me with this issue? Thanks!
I wrote a code in python to find the steady state probabilities of a CTMC chain. when I solve the system for small situation values my solutions come out positive, while when I solve it for bigger the last value of my scoreboard comes out negative. I have tried various ways to solve linear systems, the last way and the best so far is the solution of the system X * A = b with the command np.matmul (b, np.linalg.inv (A)). in this way when I ran it for some values that came out negative values it gave me for positive results, while for some others it continues to give me a negative value. therefore I do not know if it is the result of a numerical error of the solver or if I have made a mistake. below I have put the piece of code that solves the system.
import numpy as np
table_transition = np.array([[-107,107, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[8, -113, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 11, -114, 103, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 14, -115, 101, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 17, -116, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 20, -117, 97, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 23, -118, 95, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 26, -119, 93, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 29, -120, 91, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 32, -121, 89, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 35, -122, 87, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 38, -123, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, -124, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, -125, 81, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, -126, 79, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50, -127, 77, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65, -132, 67, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 95, -142, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 98, -143, 45, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 101, -144, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -141, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -139, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -137, 33, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -133, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -131, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -129, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -127, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -125, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -123, 19, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -121, 17, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -119, 15, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -117, 13, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -115, 11, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -113, 9, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -111, 7, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -109, 5, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -107, 3],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, -104]]), # 51x51
def augment_table_transition(table_transition):
dimension = table_transition.shape[0]
table_transition_1 = np.hstack((table_transition[:,:-1], np.ones((dimension,1)) ))
Results = np.zeros([1,dimension])
Results[0,dimension-1] = 1
return table_transition_1, Results
def obtain_steady_state(table_transition):
A = augment_table_transition(table_transition)[0]
b = augment_table_transition(table_transition)[1]
return np.matmul(b, np.linalg.inv(A))
Proba=obtain_steady_state(table_transition)
print(Proba)
This is the result i got:
[[ 1.54469262e-10 2.06602637e-09 1.97211608e-08 1.45091398e-07
8.62013598e-07 4.26696731e-06 1.79954708e-05 6.57526819e-05
2.10862049e-04 5.99638951e-04 1.52479619e-03 3.49098075e-03
7.23739912e-03 1.36523665e-02 2.35285465e-02 3.71751035e-02
5.40091127e-02 7.23336331e-02 8.94975460e-02 1.02489125e-01
1.08796148e-01 1.07196205e-01 9.81373708e-02 8.35493832e-02
6.61884724e-02 4.88139984e-02 3.35228664e-02 2.14390425e-02
1.27670702e-02 7.07739763e-03 3.65044720e-03 1.75072468e-03
7.80025846e-04 3.22510686e-04 1.14739379e-04 3.86142140e-05
1.22525871e-05 3.41658680e-06 8.86998495e-07 2.13220792e-07
4.71545982e-08 9.52160156e-09 1.73952335e-09 2.84345151e-10
4.10113080e-11 5.12640163e-12 5.42203685e-13 4.69096006e-14
3.14550484e-15 1.39354068e-16 -7.85229713e-18]]
Thank you in advance!
I want to remove array brackets from my vectors so I can turn them into matrices for equations, what is the best way to do this? I want the vector to be [0,0] instead of array([0,0]) so conjoined into matrices are [[0,0],[0,1]] instead of [array([0,0]) , array([0,1])]
my code:
import numpy as np
from sklearn.feature_extraction.text import CountVectorizer
#create all actual subject matters
subjectmatters = ["basic", "python", "programming", "engineering", "mathematics", "logic", "hard", "html", "computers",
"design", "easy", "americanhistory", "history", "civilizations", "languagearts", "algebra",
"basicmath", "calculus", "nueralnets"]
#vectorize the subjects
vectorizer = CountVectorizer()
subjectmatters_vectorized = vectorizer.fit_transform(subjectmatters)
subjectmatters_vectorized_to_array = subjectmatters_vectorized.toarray()
subjectmatters_vectorized_to_array_shape = np.shape(subjectmatters_vectorized.toarray())
subjectvectordict = dict(zip(subjectmatters, subjectmatters_vectorized_to_array))
print(subjectvectordict)
This prints the below, looking to have array[()] removed:
{
"basic": array([0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"python": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]),
"programming": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]),
"engineering": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"mathematics": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0]),
"logic": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0]),
"hard": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]),
"html": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0]),
"computers": array([0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"design": array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"easy": array([0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"americanhistory": array([0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"history": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0]),
"civilizations": array([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"languagearts": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0]),
"algebra": array([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"basicmath": array([0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"calculus": array([0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
"nueralnets": array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0]),
}
Please see if this is what you want:
from sklearn.feature_extraction.text import CountVectorizer
#create all actual subject matters
subjectmatters = ["basic", "python", "programming", "engineering", "mathematics", "logic", "hard", "html", "computers",
"design", "easy", "americanhistory", "history", "civilizations", "languagearts", "algebra",
"basicmath", "calculus", "nueralnets"]
#vectorize the subjects
vectorizer = CountVectorizer()
subjectmatters_vectorized = vectorizer.fit_transform(subjectmatters)
subjectmatters_vectorized_to_array = subjectmatters_vectorized.toarray().tolist()
subjectvectordict = dict(zip(subjectmatters, subjectmatters_vectorized_to_array))
print(subjectvectordict)
{'basic': [0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'python': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
'programming': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0],
'engineering': [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'mathematics': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0],
'logic': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
'hard': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0],
'html': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
'computers': [0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'design': [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'easy': [0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'americanhistory': [0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'history': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0],
'civilizations': [0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'languagearts': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0],
'algebra': [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'basicmath': [0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'calculus': [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'nueralnets': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0]
}
I have two data frames here: review and negative_word(there is one column with some words)
I choose a column review['Review Text'] of review, then I want to count how many times all words from negative_word for each row of review['Review Text'].
Actually I use a word(like"wonderful" to test it, it works.
But when I choose all word in the data frame with for loop, it shows all 0.
Here is my code:
count_neg = []
for i in negative_word:
for j in range(len(review)):
count = review['Review Text'][j].count(i)
count_neg.append(count)
print(count_neg)
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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For a DataFrame review, you can create a function to capture only the negative words in a string and return the count. This should be faster than a loop or creating a number of DataFrames, and definitely more readable.
import string
import pandas as pd
# example dataframe
review = pd.DataFrame({'Item': ['Book A', 'Movie B', 'Restaurant C'],
'Review Text': ["It was great, I couldn't put it down.",
"It was horribly boring.",
"The food was delicious but the service was bad."]})
review
Item Review Text
0 Book A It was great, I couldn't put it down.
1 Movie B It was horribly boring.
2 Restaurant C The food was delicious but the service was bad.
I'm using a list of words here -- if yours is stored as a 1-column DataFrame you can use the df['column'].tolist() method to get it into a list.
# example list of negative words
negative_word = ['bad', 'horrible', 'worst', 'hate', 'boring', '...more words...']
def bad_count(review):
"""Return the number of words from negative list in review text"""
# strip punctuation
review = review.strip(string.punctuation)
# convert to lowercase & separate words
review = review.lower().split(' ')
# get list of review words contained in negative word list
bad = [word for word in review if word in negative_word]
# return length of list
return len(bad)
Now apply the function to the review text column:
review['Count of Negative Words'] = review['Review Text'].map(bad_count)
review
Item Review Text Count of Negative Words
0 Book A It was great, I couldn't put it down. 0
1 Movie B It was horribly boring. 2
2 Restaurant C The food was delicious but the service was bad. 1
So if you're not concerned about memory (i.e. you have a manageable number of words) you can use the following. If not you will probably have to use a loop. Happy to update my answer if that is the case
import pandas as pd
import numpy as np
# Data frame
df = pd.DataFrame({'col1':[['a', 'b', 'c', 'c', 'd'], ['c', 'c', 'b', 'x', 'x'], ['x', 'x', 'y', 'y', 'y']]})
# Negative series
neg = pd.Series(['x', 'y', 'z'])
# Create a number of columns equal to the vocabulary size with their counts
df = pd.concat([df, df['col1'].apply(lambda x: pd.Series(x).value_counts())], axis=1)
# From that dataframe get the columns that intersect with values in negative and take the sum
df['neg_count'] = df[df.columns.intersection(neg)].sum(axis=1)
df.head()
This is my code to
count number of times a word occurred in a file( All entries are in Unicode)
Text_file = open("Mytext.txt", 'r').read()
Wordlist = {'മാന്നാര്':[], 'മാന്':[]}
for line in Text_file:
for word in Wordlist.keys():
Wordlist[word].append(line.count(word))
My expected result is
'മാന്നാര്' _ 5
മാന് _ 1
My_text =
കുരുവികളോട് കൂട്ട് കൂടാന് … മട്ടാഞ്ചേരി കുരുവികളോടൊത്ത് കൂട്ടുകൂടാനും സംരക്ഷിക്കുവാനും കുരുന്നുമനസ്സുകളില് ബോധമുണര്ത്താന് ജെയിന് ഫൗണ്ടേഷന് രംഗത്ത് ലോക കുരുവി ദിനമായ ഇന്നലെ കുരുന്നുകള്ക്ക് കുരുവിക്കൂടും കുടിവെള്ളപാത്രവും നല്കിക്കൊണ്ടാണ് ഫൗണ്ടേഷന് പക്ഷി-മൃഗാദി പരിശീലന പദ്ധതി നടപ്പിലാക്കുന്നത് സ്ക്കൂളുകള് ലൈബ്രറികള് എന്നിവ കേന്ദ്രീകരിച്ചാണ് ഫൗണ്ടേഷന് പദ്ധതി നടപ്പിലാക്കുന്നത് കുരുവികളെ സംരക്ഷിക്കുന്നതിനും പരിചരിക്കുന്നതിനുമായി പരിസ്ഥിതി സൗഹൃദമായ മണ്കുടങ്ങളാണ് ഫൗണ്ടേഷന് സമ്മാനിച്ചത് വേനല്കാല ചൂടില് ദാഹമകറ്റുന്നതിന് മണ്കലങ്ങളും ഇതിനോടൊപ്പം നല്കുകയും ചെയ്തു
ലോകകുരുവി ദിനത്തില് നടന്ന കുരുവികള്ക്ക് കൂടൊരുക്കാം പരിപാടിയില് വിദേശികളും സ്വദേശികളും സാക്ഷികളായി ഫോര്ട്ടുകൊച്ചിയിലെ സെന്റ് മാര്ക്കസ് സ്ക്കൂളിലെ കുട്ടികള്ക്കാണ് ഫൗണ്ടേഷന് കുരുവിക്കൂടുകള് നല്കിയത് ജൈന് ഫൗണ്ടേഷന് ജനമൈത്രി പോലീസ് സെന്റ്മാര്ക്കസ് സ്ക്കൂള് എന്നിവരുമായി കൈകോര്ത്ത് സംഘടിപ്പിച്ച പരിപാടിയില് ജനമൈത്രി പോലീസ് സി ആര് ഒ പി യു ഹരിദാസ് സ്ക്കൂള് പ്രിന്സിപ്പല് ഹേറിന് ഫെര്ണാണ്ടസിന് നല്കി പദ്ധതി ഉദ്ഘാടനം ചെയ്തു ഫൗണ്ടേഷന് ഭാരവാഹി മുകേഷ് ജെയിന് ശാന്തി മേനോന് പ്രിയ കെനറ്റ് എം എം സലീം സുധി എന്നിവര് സംസാരിച്ചു
But I am getting
{'\xe0\xb4\xae\xe0\xb4\xbe\xe0\xb4\xa8\xe0\xb5\x8d\xe0\xb4\xa8\xe0\xb4\xbe\xe0\xb4\xb0\xe0\xb5\x8d\xe2\x80\x8d': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'മാന്': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]}
What is the error here ?
You need your script file to be unicode, and you need python to open the input file as unicode, utf-8, utf-16 - whatever is the encoding of your file. For example,
import codecs
f = codecs.open('Mytext.txt', encoding='utf-16')
for line in f:
print repr(line)
See http://docs.python.org/2/howto/unicode.html
Apart from that you need your dictionary to map the counted strings to the count, not to a list, as in,
Wordlist = {'മാന്നാര്':0, 'മാന്':0}
When you need to increment the dictionary entry:
Wordlist['മാന്നാര്'] += 1