Combined Filters Neighbors Distance Codes Pick 4 The Neighbors Distance Codes (NB-DSC) is a so called "combined filter", a combination of a digit and a math filter. It requires two separate parts to create the filter.
Neighbors (NB) is yet another alternative to the old VTracs (VTX). Instead of combining digits by adding 5 it selects the all even digits with the next odd digit up, 0 with 1, 2 with 3 all the way to 8 with 9. It is another efficient way to combine an odd with an even digit.
To show you how to calculate the Neighbors Distance Codes filter for a Pick 4 number here an example step by step.
Part I: Pick 4 Neighbors Distance Codes Conversion Step 1: Divide 4284 into separate digits: 4284 => 4 2 8 4 Step 2: Convert each digit to filter: 4 = 3 2 = 2 8 = 5 4 = 3 Step 3: Combine the filters to a string: 3 2 5 3 = 3253
Part II: Pick 4 Neighbors Distance Codes Conversion Step 1: Divide the number into separate digits: 3253 => 3 2 5 3 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 3 to 2 => 1 2 to 5 => 3 5 to 3 => 2 3 to 3 => 0 Step 3: Convert distances to codes (0=E[qual], 1 & 9 = C[onsecutive], 2-8 = N[one]): 1 => C 3 => N 2 => N 0 => E Step 4: Combine the filters to a string: C N N E = CNNE
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