PHP-ML is a a fresh approach to Machine Learning in PHP. Algorithms, Cross Validation, Neural Network, Preprocessing, Feature Extraction and much more in one library.
Questions tagged [php-ml]
31 questions
1
vote
2 answers
Using samples() with php-ml
I am using php-ml and taking in a .csv file with 6 columns and thousands of lines, i want every 5th element (column) of each array to be saved in $samples. I have tried the following which gives me the first element of each array.
$dataset = new…
johnfish92
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0
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0 answers
How to use php-ai/php-ml and K-means clustering to sort sentences into similar groups?
I'm trying to sort an array of sentences into groups depending on how similar the words are in each sentence. I want the user to specify how strict or loose the grouping should be so the K-means clustering algorithm looks like a good fit as you can…
Mr J
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0
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prediction price A non-numeric value encountered on LeastSquares
I have an error appears when I execute my classe :
PHP Warning: A non-numeric value encountered in /php-ai/php-ml/src/Regression/LeastSquares.php
What I tried to do it's to scrap some price for a product and use a regression approach to make a…
Mark
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0
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0 answers
How to identitify which title is comes under book and non book category using PHP-ML
I'm trying to write code using NLP (I used PHP-ML Library), This is the code I tried to write but when I try check Non Book title for example phone (Tecno POP 7 Pro (Uyuni Blue, 2GB RAM,64GB Storage) | Type C Port | 12MP Dual Camera | Up to 4GB RAM…
Emanuela
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- 3
0
votes
1 answer
I am facing problem in using PHP-ML Persistency feature. The model is not working as expected
I am building a model to analyze sentences whether positive or negative. After the model is successfully trained, I am trying to save the model using PHP-ML Persistency. The model is being saved successfully as well.
But the problem is when I…
user21208635
0
votes
1 answer
Can PHP ML have multiple label values?
According to the example given here:
https://php-ml.readthedocs.io/en/latest/machine-learning/datasets/array-dataset/
One dataset can have one label. I am brand new to ML and am trying to classify articles that have multiple categories per article…
Antony
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Text file not written on the server
I try to write a file on my server, but I don't understand what's happening : it's always empty (blank page).
There is no error thrown.
When I insert inside the loop a var_dump($lines), I see the data but at the moment an error appear
With the code…
Arthur
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- 1
0
votes
1 answer
How add new samples to the same label using Naive Bayes on php-ml?
I am newbie on Text Classification and I am trying to create some proof-of-concepts to understand better the concepts of ML using PHP.
So I got this example, and I've tried to add a new small text to "reinforce" one of my labels (categories), in…
celsowm
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0
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1 answer
PHP-ML machine learning script predict winning team
I am using this script https://php-ml.readthedocs.io/en/latest/ to predict the result of a particular game.
The training dataset looks like this:
team1, team2, H
team3, team4, A
team6, team12, D
team1, team4, ?
H, A, D being the results (Home,…
Stefanica Stefan
- 99
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- 9
0
votes
0 answers
"Division by zero"/ NULL values TF-IDF
I'm trying to test tf-idf package from PHP-ML, I tried using their documentation code but it keeps giving me "Division by zero" when I try to use different samples(strings).
use Phpml\FeatureExtraction\TfIdfTransformer;
$samples = [
["Tareq",…
Tghosh
- 180
- 3
- 14
0
votes
3 answers
How to populate sample in php machine learning library
$samples = [[0], [5], [10], [20], [25], [18], [30]];
$labels = ['fail', 'fail', 'pass', 'pass'];
$classifier = new NaiveBayes();
$classifier->train($samples, $labels);
echo $classifier->predict([14]);
The above code is from php machine library…
Husnain
- 137
- 1
- 9
0
votes
1 answer
How to exclude attributes from clustering in PHP-ML?
I have students data and I want to cluster them according to there attributes. The problem is that the student_id shouldn't be used in the clustering process, because it has nothing to do with the clustering, and I cannot just remove the student_id,…
user3379482
- 557
- 1
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0
votes
3 answers
Convert array to another character [php]
I have data in the form:
$data = Array ( [0] => 1 [1] => 4 [2] => 3 [3] => 3 )
I want to convert it to:
$x = [[1], [2], [3], [4]];
I do not know how to do this?
I'm using the library PHP-ML (…
Wojtek
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0
votes
0 answers
PHP namespaces not being recognized
I'm a bit new to PHP and I'm still learning about namespaces. Right now I'm trying to impliment "PHP-ML" a machine learning project from github
http://php-ml.readthedocs.io/en/v0.1.0/
It has an example included right in the index file itself, but…
Connor Kurschat
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- 1
-1
votes
1 answer
why can't using variable in php-ml least square?
where in php-ml looping variable is always error array_unshift like this:
Fatal error: Uncaught TypeError: array_unshift() expects parameter 1 to be array, string given in C:\xampp\htdocs\prediksi\assets\main…
ridwan ariana
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