Sentences with phrase «changes in the index sample»

Not exact matches

The following scatter plot relates monthly S&P 500 Index return to same - month change in NYSE margin debt over the available sample period.

As UPC Prof at ICFO Juan P. Torres states, «any slight refractive index change introduced by an impurity in the sample is translated into a phase difference and thus an intensity variation in the pattern, showing the contours and therefore size of the irregularity.»

He tests relationships between change in VIX futures term structure and S&P 500 Index return via regressions run at frequencies of one day, one week, two weeks, one month and two months, with the sample winnowed in each case so that measurements do not overlap.

Take a look at Fig. 5 (f) in our main paper, which shows the changes over time in the standard deviation of the Polar Urals tree - ring widths — the periods with the root - collar samples stand out clearly as having much greater spread between the tree indices.

Yes, the pseudo-cycles are longer, but we still are doing a linear regression of month - to - month changes in the index regarding the global temperature, and we still have the same number of monthly samples for PDO or AMO as we do for the Nino 3.4... so we could easily remove them as well.