Sentences with phrase «at historical data over»

Not exact matches

If you look at historical market data, over two - thirds of the best 30 weeks, for example, have occurred in periods when market valuations were below their historical medians.

The immense amount of material accumulated has shown that analogous structures have been found over and over again in different religions and that it has therefore been possible to state some general laws which permit us to think in terms of an ordered unity and at the same time to differentiate the religious datum at various levels in its historical totality.

Hello — you can look up all of our historical data with our Bet Labs software over at BetLabsSports.com

When we look back at the historical data summarised in Figure 1 below, we find the period since the mid-1980s has been one in which successive governments have opted for small, year - to - year reductions in the growth of overall public spending, rather than greater reductions over a shorter period.

Researchers at the Helmholtz Centre for Environmental Research (UFZ) and the German Centre for Integrative Biodiversity Research (iDiv) have now revealed, on the basis of historical data, how plant diversity in the region of Halle an der Saale has changed in over 300 years of urbanization, and have also made predictions about the future.

Researchers at Oxford University have been studying the Wytham Woods great tit population in Oxfordshire for 70 years and so the team had access to a wealth of historical data which clearly showed that the British great tits» beaks were getting longer over time.

Using historical data from horizontal wells in the Barnett Shale formation in North Texas, Tad Patzek, professor and chair in the Department of Petroleum and Geosystems Engineering in the Cockrell School of Engineering; Michael Marder, professor of physics in the College of Natural Sciences; and Frank Male, a graduate student in physics, used a simple physics theory to model the rate at which production from the wells declines over time, known as the «decline curve.»

(A backtest is simply a statistical look at historical data to determine whether employing a given investment factor, such as selecting stocks with low price - earnings ratios, results in excess returns over time; i.e., returns above a stock market benchmark.)

Since Schwab's fundamentally - indexed mutual funds have been in existence for over six years now, and that period spanned a significant market downturn, it is worthwhile to take a look at their historical risk - adjusted performance, as measured by the trailing five - year Sharpe Ratio (all data from Morningstar):

But, historical data over a 100 years tends to suggest that they are fairly equal in performance, just at different times.

Being forewarned is being forearmed, so look back at your historical intake data month over month to get an idea.»

These products represent, at least in principal, a significant improvement over simple long - term averages of historical data.

Many of the historical CO2 data by chemical methods compiled by Ernst Beck are measurements (with less accuracy) which were taken at places nearby huge sources over land, not resembling background CO2 levels.

When looking at historical data for hurricanes affecting the United States, the data shows no trend over time.

These have been combined to give us a clearer picture of what the historical data can tell us about global climate change over the past 161 years,» Colin Morice, climatologist at the Met Office, said in a press release.

Lots of the historical data were relative accurate (+ / - 10 ppmv), but taken at the wrong places: over land, near huge sinks and sources.

Thanks Wayne, I was looking for the accuracy of the early glass electrodes... If we put the ancient electrodes and procedures at 0.1 units (best result) and the pH drop at a fixed place in the oceans with a growth of 40 % CO2 is not more than 0.1 pH units over 100 years, what then is the value of the historical data, taken at a lot of different places in different seasons?

Thus I don't think that he historical data have much value, as one need a series of data with very high accuracy (better than 0.01 pH unit) at the same place at high (at least monthly) frequency over many years to have a clear picture of any pH trends...

Actual historical data is hard to come by for the MWP; but there are records from all over the civilized world at the time that confirm a MWP that was slightly warmer than today.

OT, but just read (over at Neven's ASIB) that Walsh and co, at the University of Alaska Fairbanks, have done a massive data rescue, digitization and preparation job, to create an historical sea ice atlas of Alaskan waters.