Hi,
Below are addition filtering methods available in commercial software packages. Quite a few of the following methods have been recycled constantly here at the LP ever since I joined. That is why my thinking is that there should be some standardized measure (ie- amount of combinations being reduce versus the amount of error being incurred.
Any thoughts?
Lottery Filter
Consecutives - A filter that eliminate combinations with N consecutive numbers. For example, the combination 21,22,23,30,33,42 has 3 consecutive numbers - 21,22,23.
Evens - A filter that eliminate combinations with N even numbers. For example, the combination 20,22,24,26,33,43 has 4 even numbers - 20,22,24,26.
Odds- A filter that eliminate combinations with N odd numbers.
For example, the combination 1,3,11,19,30,40 has 4 odd numbers - 1,3,11,19.
Space - A filter that eliminate combinations with N equally spaced numbers. For example, the combination 5,10,15,20,23,28 has 4 equally spaced numbers - 5,10,15,20.
Span ( narrow ) - A filter that eliminate combinations with a span of N or lower. For example, the combination 1,2,5,9,11,14 has a span of 14-1=13. There for applying a filter of Span ( narrow ) of 13.
Span ( wide ) - A filter that eliminate combinations with a span of N or higher. For example, the combination 1,2,5,9,11,14 has a span of 14-1=13.
Sums ( low ) - A filter that eliminate combinations with a sum of N or lower. For example, the combination 1,2,5,9,11,14 has a sum of 1+2+5+9+11+14=42.
Sums ( high ) - A filter that eliminate combinations with a sum of N or higher. For example, the combination 1,2,5,9,11,14 has a span of 1+2+5+9+11+14=42.
Repeats - Use this filter to eliminate combination that contain numbers, which already came up in history draws.
Filter Type
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How it Works
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Sums
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In each combination, your numbers add together and make a Sum. Your game's winning numbers do too. You can keep combinations that are close to the winners -- or, use any Sums range you like.
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Sums History
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After you choose the range of Sums you want to keep, you can filter them further. You can choose a range of recent draws, and eliminate combinations with Sums that have just recently been drawn.
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Even/Odd Sums
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To further reduce your wheeling cost, you can easily spot trending and overdue Sums. You can keep only the Even Sums or Odd Sums -- effectively reducing your wheeling cost by nearly half.
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Roots
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A 'Root' is simply the 'sum of the Sum's digits'. For example, the Sum 150 has a Root of 6 (1+5+0=6). You see trending and overdue Roots. One click further reduces your wheeling cost by Root filtering.
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Even/Odd Roots
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You see trending in Even and Odd Roots. One click further reduces your wheeling cost by nearly half.
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Even/Odd Numbers
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In most draws, the winning numbers approach an equal balance between Even and Odd numbers. You can use Even/Odd filtering to set your wheeled combinations to be similar to your game's winners.
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Low/High Numbers
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You can see your game's field as having two parts: Low numbers, and High numbers. Most winners approach an equal balance in these numbers. You can filter your wheeled combinations for this balance.
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Matching Final Digits
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An example of some matching final digits would be: 1 11 21 31 41. Most winning draws have only a very few final digits that match. You can keep combinations that are closest to your game's winners.
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Individual Final Digits
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In addition to filtering for total matches in the Final Digits, you can filter for each individual digit (0-9). You can customize combinations to keep a desired amount of each digit.
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Consecutive Numbers
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An example of some consecutive numbers would be: 9 10 11 12 13. Most winning draws contain only a very few consecutive numbers. You can keep combinations that are closest to your game's winners.
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Decades
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An example of some numbers in the same decade would be: 20 23 24 27 29. Most winning draws have only a very few numbers in the same decade. You can keep combinations that are closest to your game's winners.
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Spacing of Numbers
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An example of equally spaced numbers would be: 7 14 21 28 35. Most winning draws have only very few numbers with equal spacing. You can keep combinations that are closest to your game's winners.
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Positional Limits
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A Pick-6 game has six positions -- a Pick-5 game has five positions, and so on. Most winning numbers fit within 'minimum-maximum' limits for each position. You can set these limits for each position.
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Movement of Numbers
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Your game's winning numbers 'move' higher or lower than the numbers in the previous draw. You can see these winning ranges in your game. Then, set 'minimum-maximum' limits in your wheeling.
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Adjoining Numbers
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An 'adjoining' number is one that is exactly 'one higher' or 'one lower' than the previous draw's winning number, in the same position. Only a few such numbers tend to win, and you can filter for them.
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Repeats:
Last Draw
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Most often, the game's winning numbers include only a very few numbers that were winners also in the previous draw. You can filter your wheeled combinations for 'repeats', with one mouse click.
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Repeats:
Last 20 Draws
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You can filter your combinations for repeat numbers from each of the last 20 draws. For example, if a combination has a set of 4 numbers that already won together 6 draws ago, you can eliminate it. You can do this on a step-by-step, draw-by-draw basis, automatically, with simple mouse clicks.
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Repeats:
Any Range of Draws
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Specify a filtering limit, and specify any range of draws. Your program rejects combinations with sets of numbers that were already drawn together. It's fast, easy, completely automatic -- and lowers your wheeling cost.
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1. frequency, consistency,
2. repeating, repeating vs. nonrepeating,
3. proportions of numbers: high, low, odd, even,
4. sums of winning combinations,
5. skip draws, sums of skip draws,
6. pair tables,
7. unofficial results from the last 84 draws,
8. hot, due, overdue numbers,
9. hot trail, consistency #2,
Consecutive Filter - filters out lines with more than two or three consecutive numbers
Sum of Line Filter - filters out lines where the sum of all the numbers is over (or under) a certain number
Last Digit Filter - filters out lines according to their last digit
Width of Line Filter - filters lines according to the difference between the lowest/highest number in each line
Odd/Even - filters out lines with more/less odd numbers than even
- Sum [Total, Odd, Even, Small, Big, Congruence, Digit, Root]
- Sum Odd/Even Patterns [Total, Odd, Small, Big, Congruence, Digit, Root]
- Mass [Odd, Small, Alternation O/E, Common,Dif. Digits]
- First digit [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] [Jackpot games]
- Last digit [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
- Overall digits [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] [Equal to Last digit in Pick games]
- Difference [all possible differences]
- Consecutive [all possible consecutive ranges]
- Number position
- Pattern Odd/Even
- Pattern Low/High [Pick games only]
- Linear symmetry [all numbers in field]
- In/Out [all possible layouts]
- Middle-transverse/Out [all possible layouts]
- Horizontal overlap [all possible layouts]
- Vertical overlap [all possible layouts]
- Overall rows [all possible layouts]
- Overall columns [all possible layouts]
- [S] - congruence [all shapes ranging from 3 - 9]
- Congruence [9] / [8] / [7] / [6] / [5] / [4] / [3]
- First Digit
- Last digit
- Overall digits
- Difference
- Consecutive
- Linear symmetry
- In/Out
- Middle-Transverse/Out
- Horizontal overlap
- Vertical Overlap
- Overall rows
- Overall columns
- Congruence [3-9]