Probability Density Function
Math::CDF is a Perl module to generate probabilities and quantiles from several statistical probability functions. SYNOPSIS use Math::CDF; $prob = &Math::CDF::pnorm(1.96); if( not defined($z = &Math::CDF::qnorm(0.975)) ) { die "qnorm() failed"; } or use Math::CDF qw(:all); $prob =...
Platforms: *nix
License: Freeware | Size: 65.54 KB | Download (123): Math::CDF Download |
Statistics::ROC is a Perl module with receiver-operator-characteristic (ROC) curves with nonparametric confidence bounds. SYNOPSIS use Statistics::ROC; my ($y) = loggamma($x); my ($y) = betain($x, $p, $q, $beta); my ($y) = Betain($x, $p, $q); my ($y) = xinbta($p, $q, $beta, $alpha); my...
Platforms: *nix
License: Freeware | Size: 17.41 KB | Download (94): Statistics::ROC Download |
openPlaG is an online function graph plotter, written in PHP. This application can compute and plot a very high amount of functions, including many probability functions and is fairly good configurable. Instructions: To run the program, youll need access to a web server with PHP 4 or 5 and...
Platforms: *nix
License: Freeware | Size: 24.58 KB | Download (98): openPlaG Download |
Printr Debugger is an Actionscript implementation of the 'print_r' function from PHP. It has a lot of options, the results are presented in the Output Window or in the Printr Debugger Flash Panel. It offers remote inspection too.
Platforms: Windows, Mac, BSD, Linux
License: Freeware | Size: 147.96 KB | Download (49): Printr function & Panel for Flash MX Download |
This is a Javascript library for decoding the output of the PHP serialize() function.It supports the following datatypes: - Strings - Integers - Doubles - Booleans - NULL - Arrays - Objects
Platforms: Windows, Mac, *nix, JavaScript, BSD Solaris
License: Freeware | Download (61): PHP_Unserialize Function Download |
For many languages it is possible to use the locale module to format numbers. But there are at least three languages for which the locale.localeconv()['thousands_sep'] is empty: brazilian portuguese - 'pt_br', portuguese - 'pt' and spanish - 'es'. The first function, format_positive_integer()...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (51): Format number function Download |
This script contains a function that allows you to easily sort a list by multiple columns in ascending and descending order similar in function to the ORDER BY clause in SQL.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (52): SQL-like ORDER BY function for lists Download |
This script contains a function to use the timeit module from a script, creating a nice overview of the runtimes of one or more code snippets. All command line flags that the timeit module accepts can be used. The output can easily be customized.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (49): Timeit function Download |
This function makes it easier to use the timeit module from the interactive interpreter. You should just specify function with (optional) arguments to run, optional number of runs, and optional name of module (which if not specified defaults to the name of the function).
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (51): Convenience 'timeit' function Download |
This script allows a user to place debug messages, error messages and standard messages throughout a program. The function name and line number will be added to each debug and error message before it is printed out. In addition, each of these messages can be passed to multiple handler objects...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (53): Debug statements include function name Download |
This script uses fact that any probability distributions can be sampled by computing the cumulative distribution, drawing a random number from 0 to 1, and finding the x-value where that number is attained on the cumulative distribution. The searchsorted(..) function performs this search. This...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (50): Weighted choice Download |
This function takes a number (integer or float) and returns a string with the integer portion grouped by thousands and the decimal portion rounded or padded to given number of decimal places.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (56): Number Format function Download |
This function very efficiently generates a Truth Table matrix of arbitrary, user specified dimension.The order of the Truth Table is limited only by the user's available system memory. The function is highly efficient, written using only three variables in 15 lines of MATLAB code.While this is...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Function To Generate Truth Table Download |
This m-file finds the periodic ACF of all the m-sequences of length 31.In this program m-sequences of length 31 are generated and its periodic Autocorrelation function is plotted.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Autocorrelation function of m-sequence Download |
This m-file finds and plots the autocorrelation and crosscorrelation function(ACF and CCF) of generated Gold codes of length 31.Crosscorrelations are three valued.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (53): Autocorrelation and Crosscorrelation function of gold sequence Download |
I was not able to get the peaks from my experimentally obtained data because of its random nature. As a result the findpeaks() defined in Matlab library was not giving results as expected. Hence I made a code which will help findpeaks() help detect the peaks more accurately.It basically averages...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Function for finding peaks from data array Download |
for entropyH = entropy(S)this command will evaluate the entropy of S, S should be row matrixH = entropy([X;Y;Z])this command will find the joint entropy for the 3 variablesH = entropy([X,Y],[Z,W])this will find H(X,Y/Z,W).. you can use it for any combination of joint entropiesPlease validate this...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): entropy, joint entropy and conditional entropy function for n variables Download |
This function generates Walsh Codes. The difference between this function and other functions available to generate walsh code is :1. you can call this function directly in your script, you will have to pass only the value of 'a' (length of code is 2 ^ a)2. this function can return you both the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Function to generate Walsh Code Download |
This function generates a Timeseries file which can be used for Moore FSM coverage analysis.The file is generated in the working directory and can be opened into the Workspace for use by MATLAB, or read directly into Simulink using the 'Import Data From File' source block.The generated Timeseries...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Function to generate Timeseries file to use for Moore FSM coverage analysis Download |
The different low dimensional embeddings are an orthonormal coordinate system generated from a1. Diffusion process defined on the data2 . Normalized Laplace Beltrami operator3. Normalized Focker Plank operatorThis is a nonlinear dimension reduction technique using the concepts of manifold...
Platforms: Matlab
License: Freeware | Size: 890.88 KB | Download (45): Eigen Function of the Laplacian Download |