I'm pulling in a few hundred real-time stock quotes at once and automatically performing a bunch of sorting and modeling as the data updates, but it often lags badly so that I'm sometimes seeing stale stock quotes (30-60s after they change). I've determined that it's not the real-ti...
One of the most common file problems faced by users is that of Excel running slowly. Lately, a large number of users have complained about this problem with Excel spreadsheets. When the data in the workbook is less, the impact on the performance of the file is not noticeable, but when yo...
When entering an array constant such as known_x's as an argument, use commas to separate values in the same row and semicolons to separate rows. Separator characters may be different depending on your locale setting in Regional and Language Options in Control Panel. Note that the y-values ...
Example 1: Determine whether the data in column A of Figure 1 has a unit root based on a model without trend based on the Schwert estimate for the maximum number of lags using the AIC criteria. Also, determine whether there is a unit root based on a model with trend and a maximum num...