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All About Delta Numbers

Here's an explanation of the functions accessible from the chart menu.
The number distribution chart shows graphically the frequency of occurrance of each possible digit as it has appeared in winning lotto, lottery, or keno numbers. The Lookback setting affects the number of winning numbers from your database that this chart looks at. Set lookback to a high number to see what the number distribution has been over the last year, or two years. Or set lookback low to see what the number distribution has been lately.
The Next and Prev button in the lower right corner of the chart will alternately show the number distribution of either the historical database or the numbers generated by Analysis Lotto.
By comparing these two charts, you can get a sense of how closely the generated numbers track the historical data. The calculation method, and the lookback and looseness settings you have chosen will affect this comparison. Note that the Generated chart always looks at the 100 numbers in the Generated Numbers list. The Historical chart, however, looks at a variable number of numbers, depending on the Lookback setting. So when comparing generated numbers to historical data, bear in mind that this is one of the reasons the charts may look quite different.
The delta distribution chart looks graphically at the frequency of occurrance of each possible delta digit as it has appeared in winning numbers. The Lookback setting will affect the number of past drawings that the program will consider in drawing this chart.
The Next and Prev buttons in the lower left corner will toggle between the delta distribution of the historical data and the delta distribution of the numbers that Analysis Lotto generates.
Comparing these two charts will give you a sense of how closely the program models the generated data on the historical data. The calculation method you choose affects the character of this modeling.Note that the Generated chart always looks at the 100 numbers in the Generated Numbers list. The Historical chart, however, looks at a variable number of numbers, depending on the Lookback setting. So when comparing generated numbers to historical data, bear in mind that this is one of the reasons the charts may differ.
Note that you will not be able to display any Delta charts for Lottery games (pick 3, pick 4 with repeating numbers.) This happens because Delta calculations are not very valid on games in which digits can repeat in the same drawing.
The number trends chart gives you some very interesting insight into the "popularity" of various numbers at any given moment in time. It can tip you off to the times when a number is just beginning to occur more frequently. When you are comparing these charts to each other, bear in mind that the computer may choose different scales for each chart you view, depending on the amount of variation in the data. A chart that looks more volatile than a previous one may not really be, if you are simply viewing it inside a smaller range
When you first call this chart up, you will see a display of the frequency of occurrance of the number "1" at each moment in time from the beginning of your historical data up until the present time. The setting of the Lookback box controls how long a period of time is considered when counting the frequency of occurrance of that number. On this chart, lookback will affect the appearance of smoothness in the chart. When a long lookback is set, each data point is used longer, and this will cause the line on the chart to change slowly. Short lookback times will result in a more volatile chart, which tracks the data faster  but can be harder to interpret than a long period chart.
If you press the Next button, you will see the same chart for the number "2", and another press shows the chart for "3". Each press of Next shows you the chart for the next higher number.
On the title line of the chart, you will also see a "Sum of Occurrances" number which tells you how many times the number has occurred in your entire database. The "Most Recent" number is the number of times that number has most recently appeared in the period of time specified by your Lookback setting.
The delta trends chart gives you some very interesting insight into the "popularity" of each delta number at any given moment in time. It can tip you off to the times when a number is just beginning to occur more often.
These delta charts often display what appear to be clear cyclical trends, clearer and more predictable than the corresponding number trends. If you've ever looked at stock market charts, you may notice similarities between these charts and the movements of prices in stocks.
When you first call this chart up, you will see a display of the frequency of occurrance of the delta number "1" at each moment in time from the beginning of your historical data up until the present time. The setting of the Lookback box controls how long a period of time is considered when counting the frequency of occurrance of that number.
If you press the Next button, you will see the same chart for the number "2", and another press shows the chart for "3". Each press of Next shows you the chart for the next higher number.
On the title line of the chart, you will also see a "Sum of Occurrances" number which tells you how many times the delta number has occurred in your entire database. The "Most Recent" number is the number of times that number has most recently appeared in the period of time specified by your Lookback setting.
Note that you will not be able to display any Delta charts for Lottery type games (pick 3, pick 4). This happens because Delta calculations are not very valid on games in which digits can repeat in the same drawing. Select one of the other systems for these games.
Support
 Features  Quick
Start  Files  Charts
 Reports  Number
Generation  Delta Calculator
 Number Screens  Tips
 Tutorial
 FAQ
 Buy
All About Delta Numbers

Tutorials are available on the Delta Lotto DVD
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