Software Listing: Sample Size Calculations

  • EpiCal
  • License: Shareware
  • Price: 1.99
  • Rating

This mobile application combines a selection of the most frequently needed epidemiological calculations, such as measures of effect and association, diagnostic test evaluation, and sample size calculations. The App includes calculations of relative risk and odds ratios, risk difference and population attributable fraction, among others. Diagnostic sensitivity and specificity, predictive values and likelihood ratios can be calculated from 2x2 tables, and the effect of prevalence on thes parameters visualised in graphs. Sample size calculations for trials are made easy by this tool, as is the calculation of sample size required for detection of a condition, or disease, as well as for detecting differences.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Develve
  • License: Shareware
  • Price: 79
  • Rating

Statistical software for fast and easy interpretation of experimental data in science and R&D in a technical environment. This statistical package helps with analysis and prevents making false assumptions. In short it makes statistics faster and easier, suitable for less experience users but advanced enough for more demanding users. Develve has no deep hidden menus, everything is directly accessible and the results are directly visible, to improve the productivity. For instance the result graphs are easily scrollable and with a click on a graph a bigger version will pop up. Develve clearly indicates when two data groups are significantly different, and if the sample size is big enough to prevent false assumptions.

  • Publisher: Develve
  • Date: 12-09-2015
  • Size: 3233 KB
  • Platform: Win2000, WinXP, Win7 x32, Win7 x64, Windows 8, Windows 10, WinServer, WinOther, WinVista, WinVista x64

Sampsize computes sample size and power for surveys, comparative studies including non-inferiority trials and case-control studies..

  • Platform: Linux, Mac OS X, Unix, WinOther

this function converts data from its original space to LDA space data is consist of M rows(sample size), N cols(dimensions) class is consist of M rows(sample size), 1 cols , each element of class is shows class number of each data sample (class number must be integer 1 to n) n is the number of outputs data diamensions.(optionally) sLDA is consist of M rows(sample size) n cols(new dimensions) W is the translate matrix which convert to original space to LDA space.

  • Publisher: Muhammet
  • Date: 12-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Sample size required in tests concerning the variance, employing the Chi-square distribution and solved by iterative fashion (directed trial and error). This means that we enter an initial value for n in order to obtain a better estimate. It only needs the sample variance, expected (hypothesized) variance, initial sample size, hipothesis direction, Type II error and significance level..

  • Platform: Matlab, Scripts

ESBStats Lite is ESBStats without the Multivariate Analysis and less Import/ExportStatistical Analysis and Inference Software for Windows covering everything from Average, Mode and Variance through to Hypothesis Analysis, Time Series and Linear Regression. Includes Online Help, Tutorials, Graphs, Summaries, Import/Export, Customisable Interface, Calculator, Live Spell Check, Install/Uninstall and much more.- Single, Dual (paired and unpaired) and Multiple Data Analysis (Multivariate analysis not in Lite Version).- Data can be either for Sample or Population.- Data can be Time Based for Time Series Analysis.

  • Platform:
  • ESBStats
  • License: Shareware
  • Price: $99.00
  • Rating

Statistical Analysis and Inference Software for Windows covering everything from Average, Mode and Variance through to Hypothesis Analysis, Time Series and Linear Regression. Includes Online Help, Tutorials, Graphs, Summaries, Import/Export, Customisable Interface, Calculator, Live Spell Check, Install/Uninstall and much more. - Single, Dual (paired and unpaired) and Multiple Data Analysis (Multivariate analysis not in Lite Version).- Data can be either for Sample or Population.- Data can be Time Based for Time Series Analysis.- Data can be entered as Raw Data, Grouped Data, or as Summary Data.

  • Platform:

A simple audio converter. Add audios, choose output format and click Start. Support various audio formats: wav, wma, m4a,m4r,aac,amr,mp2,fla, au, mp3, ac3, ogg, 3gp. Change channels, sample rate, sample size, bitrate. Use profiles for best output quality.Optimized for multi-core processors.Get one year of update protection and technical support with the purchase of a license. Contenta Audio Converter - Convert your digital audios. Convert and process your audios Handles many audio formats MP3,AC3,FLA,OGG,WMA,WAV... 34.95 USD only.

  • Platform: Windows Server, Windows Vista, WinOther

Shapiro-Wilk parametric hypothesis test of composite normality, for sample size 3<= n <= 5000. Based on Royston R94 algorithm. This test also performs the Shapiro-Francia normality test for platykurtic samples..

  • Platform: Matlab, Scripts

In statistics, sequential analysis or sequential hypothesis testing is statistical analysis where the sample size is not fixed in advance. Instead data is evaluated as it is collected, and further sampling is stopped in accordance with a pre-defined stopping rule as soon as significant results are observed. Thus a conclusion may sometimes be reached at a much earlier stage than would be possible with more classical hypothesis testing or estimation, at consequently lower financial and/or human cost. REFERENCE: I. Bross, Sequential medical plans. Biometrics. 1952; 8:186 Syntax: seqanalysis(x) Inputs: X - Nx2 data matrix Outputs: - Sequential analysis plots Example: During a sperimentation between two terapies, two drugs A and B were administered to patients couples (one received A, the other B).

  • Platform: Matlab, Scripts

The main function, TPOWER, will compute the power of a t-test given an effect size (d), sample size (N), and alpha. By giving N as an array the program can be used to plan sample size for an experiment. By setting the "PLOT" parameter to 1 the function calls plotpowfun, which plots the array N against power. By providing a desired power level, DESPWR, the program will also determine the minimum sample size needed to reach the desired power..

  • Platform: Matlab, Scripts

Sample size required to achieve a specified test for difference between two variances, using the normal approximation. This estimate assumes equal or unequal sample sizes. File only needs the sample size vector, variance vector, hypothesis direction, desired sample size (equal or unequal), sizes ratio value, Type II error and significance level..

  • Platform: Matlab, Scripts

Power your study designs wherever you go.

GLIMMPSE Lite is a free, user-friendly and open source smart-phone application which allows students, researchers, and statisticians to calculate power and sample size for one way analysis of variance.

The simple user interface allows scientists to quickly enter information about the number of groups, the Type I Error rate, and choices for means and standard deviations. Integrated tutorials provide guidance on appropriate
inputs for the power or sample size calculation. The researcher may solve for either power or sample size, and save the results.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Samclus
  • License: Freeware
  • Price: 0.00
  • Rating

Samclus is a cluster sample size calculator for randomised trials. Download if you want to know how many clusters to recruit and have estimates of mean cluster size, intraclass correlation coefficient (ICC), and an idea of the smallest and largest cluster size expected (or the coefficient of variation of cluster size)..

  • Publisher: Andstat
  • Date: 10-06-2014
  • Size: 172 KB
  • Platform: Android 1.x, Android 2.x, Android 3.x, Android 4.4, Android 4.x

Social science has uncovered many fascinating aspects of human behavior, from how we think as individuals to how we act in groups. We know that humans are loss averse, emotional, habit-forming creatures. We mispredict the future and misremember the past. And yet, what social science is missing is a better understanding of how these phenomena (and others) change over time, in different cultures and regions, across gender and age.

By collecting a heaping amount of data (and increasing the size of our samples), we hope to unravel nuances in behavioral variations; we hope to detect the impact of minor differences that simply wouldn’t appear in smaller samples.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x

Statistical Analysis and Inference Software for Windows covering everything from Average, Mode and Variance through to Hypothesis Analysis, Time Series and Linear Regression. Includes Online Help, Tutorials, Graphs, Summaries, Import/Export, Customisable Interface, Calculator, Live Spell Check, Install/Uninstall and much more. - Single, Dual (paired and unpaired) and Multiple Data Analysis (Multivariate analysis not in Lite Version). - Data can be either for Sample or Population. - Data can be Time Based for Time Series Analysis. - Data can be entered as Raw Data, Grouped Data, or as Summary Data.

  • Platform: Win2000, Windows Server, Windows Vista, WinOther

Music Converter converts MIDI keys to frequencies and note numbers, scales knob values, calculates tuning frequencies, converts loop/delay time to BPM (and vice versa) and calculates the size of samples given sample frequencies, time, mono/stereo and bit depth..

  • Publisher: MHC
  • Date: 03-07-2009
  • Size: 819 KB
  • Platform: Win2000, WinOther
  • LinStats
  • License: Freeware
  • Price: 0.00
  • Rating

LinStats is a collection of classes, functions and data that are useful for representing, solving and analyzing linear statistical models. LinStats has been updated to use a new object based approach to support incremental model-building and more sophisticated analysis. Notably this is the first Matlab statistical package that can handle ANOVA and Variance Components models with fixed and random effects using Restricted Estimated Maximum Likelihood (REML) including the modern corrections for small sample size. This allows improved estimates for both fixed (Best linear unbiased estimates) and random terms (Best linear unbiased predictors).

  • Platform: Matlab, Scripts

Besides the power estimation it makes the hypothesis testing concerning the one-sample variance. The function only needs the sample variance, the sample size, the hypothesized value and the significance level..

  • Platform: Matlab, Scripts

Power on X is a Mac OS X native (cocoa) program for the calculation of statistical power. The program can perform calculations of required sample size to achieve a desired power, and calculations of power for previously run studies/experiments. In addition, the paid version can generate power/sample size tables.. MMISoftware - Makers of software for Mac OS X, the iPhone and the iPod Touch. The home of MMISofware the makers of Mac OS X native (cocoa) software (shareware and freeware) iCalMaker, PhotoInfoEditor, PhotoGPSEditor, Power on X, BMI calculator (body mass index), and applications for the iPhone and iPod Touch.

  • Platform: Win2000, WinOther

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