Questions tagged [php]

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

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How is fishers exact test calculated for non mathematician

I am referring to the Wikipedia example here (https://en.wikipedia.org/wiki/Fisher%27s_exact_test) which shows: My Question is how is this 0.001346 figure reached? After reading, I appreciate that ...
875 views

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 ...
2k 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 ...
1k 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 ...
4k 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 ...
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 ...