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...
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...
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...
We've got a site that shows some content in iframes loaded from another domains. What I'd like to do is setup some Goals to track if this stuff is clicked, is this possible to track these clicks?  I know that this content us outside our domai...
I want to make points distribution form. I got 4 inputs type number value 0-100 and total = 100 points. So we can put 25 points in each input. I already get it work to validate inputs number min 0 max 100 and it subtracts from total changed input val...
I am trying to perform multivariable linear regression with a single dependent variable Y and two independent variables x1, x2.   This is simply an OLS regression with an additional dependent variable:  Y = b0 + b1 x1 + b2 x2  I need to also calculat...

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