Google Spreadsheets currently does not support the standard function TDIST - i.e. the Student's t-distribution. This function is critical for calculating p-values.  It seems that this is related to the fact that no integral-using functions (AFAIC...
Can anyone recommend a good javascript statistics library?  Perhaps one recommendation per question, and let the votes push the best to the top.    note:  Searching for javascript statistics seems lead one towards attempts at gathering statistics, I...
I have this dataset for income:  Income      Number of people 0           245981 8.8         150444 30          126063 49.9        123519 70          115029 90.7        277149 109.1       355768 130         324246 150.3       353239 170.2       39600...
I'm trying to convert something from my excel spreadsheets into Javascript and came along the NORMSINV() macro in my spreadsheets.   The NormSInv() is nicely documented at http://office.microsoft.com/en-us/excel-help/normsinv-HP005209195.aspx. Ba...
I need to generate random numbers from JavaScript within the Beta probability distribution.  I've Googled but can't find any libraries that appear to support this.  Can anyone suggest where I can find a library or code snippet that will do th...
I have two arrays.  I want a percent value that describes how much their values are different. I try using MSE and RMSE:  /** * Mean Squared Error *    MSE = (1/n) * ?[(r - p)^2]} */ export function computeMse(a, b) {   const size = a.length   let er...
Is there a scientific library in JavaScript that can generate probability distributions like this library in Ruby?  http://rb-gsl.rubyforge.org/  For more details on the use cases see this related question: Generate Array of Numbers that fit to a Pro...
Is there some way to store:   A visitor's IP Address What time a visitor visited my site How many times they visited   I know there is a way to do this without PHP, just with Javascript and some text files.  How it would I do this in PHP?...
I am trying to make good use of the D3 histogram function and am struggling due to an awkward fat tail data distribution. The data_points array below pertain to country population densities across multiple years. Cities like Hong Kong with high popul...
I am attempting to run a paired t-test in bigquery using the JavaScript statistical.js library and I am getting inconsistent numbers.   My code is as follows;   CREATE TEMPORARY FUNCTION ttest(a ARRAY<FLOAT64>, b ARRAY<FLOAT64>)  RETURNS...

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