Questions tagged [php]

PHP is an open-source server-side scripting language widely used in web development.

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graph clustering algorithm - Markov MCL?

i have of set of document with this correlation (based on similarity) This is the set: 1: 2,3,4 2: 1,4 3: 1 4: 1,2 Now i start creating a matrix ...
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2answers
1k views

How to compare image similarity with position, rotation & scale invariant features?

I already put this question in stackoverflow.com. But still didn't get an answer. I want to compare similarity between below images. Acording to my requirements I want to identify all of these images ...
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871 views

How to calculate probabilities based on cumulative of time series?

I am trying to do predictions on plant growth based on cumulative of time series data. Unfortunately I am not a statistician, just a programmer tasked with writing the application that does this (PHP ...
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1answer
3k views

Forecasting Stock Prices in PHP [closed]

Has anyone implemented stock prices forecasting, using php only. Like we give data sets of 1 yr of open,high,low,close,volume and get prediction for next 15 or 30 days? One example I saw is here ...
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1answer
186 views

JavaScript/PHP libraries for calculating common

I am looking for a JavaScript or a PHP library to calculate common business/statistical metrics (e.g. ...
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1answer
3k views

Percentile to Z-score in PHP or JAVA

I am searching for a way to calculate the $z$-score for a given percentile $p$. I found this site doing such a calculation. They have given a formula for calculating $P(Z\leq z)$: $$ \Phi(z) = P(Z ...