optimized rolling functions on irregular time series with time-based window. I want to calculate my function (in my example below it is sum, but could just as easily be min or max or median...) on the timesteps up to a certain number of minutes ago, but not b...
XlConsolidationFunction XlContainsOperator XlCopyPictureFormat XlCorruptLoad XlCreator XlCredentialsMethod XlCubeFieldSubType XlCubeFieldType XlCutCopyMode XlCVError XlDataBarAxisPosition XlDataBarBorderType XlDataBarFillType XlDataBarNegativeColorType XlDataLabelPosition XlDataLabelSeparator XlDataLabelsType XlDataS...
A fast, accurate, smooth, complex-valued version of the H function can be calculated using the digamma function as explained here. The Euler-Mascheroni (gamma) constant and the digamma function are available in the numpy and scipy libraries, respectively. from numpy import euler_gamma from scipy...
Log calculations occur in fractals, entropy and chaos theory, as well as the analysis of computation complexity of different computer algorithms[2]. They are valuable for describing algorithms in which a larger problem is divided into a set of smaller ones, and then the solutions of the smaller...
Calculate the time to be 4:30:00 pm using thedatetimemodule'stimefunction. Expression: time(hour=16, minute=30, second=0) Code Block: from datetime import time Calculating a date field to a time only field will apply only the time portion of thedatetimeobject. ...
Inventory turnover ratio can help you determine if you’re selling enough of your stock. Learn how to calculate inventory turnover at your business here.
Examples of Range Function in Excel Now, a range would be useless as we have to derive insights from the range’s data. So formulae are used with cell ranges which add the operation we want to perform in the data from the range. For example, if we want to find the sum of the numb...
To solve standard deviation problems easily, choose a scientific calculator that offers this function. Most scientific calculators work with the same series of steps. Switch the calculator to statistics mode (STAT). Key in the values of the data set. ...
Finally, if you try to calculate an NPV of a project that generates cash flows at different moments in time, you should use the XNPV function, which includes three parameters: the discount rate, the series of cash flows and the range of dates when the cash flows are received in time. ...
Using a spreadsheet, you'll get a slightly different result. Use theGeomeanfunction to calculate the geometric mean of the previous returns. AB 1PeriodReturn 2Year one5% 3Year two3% 4Year three6% 5Year four2% 6Year five4% In an empty cell, enter: ...