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budget:start [2013/03/27 16:25]
andy Started notes about budget analyser subcomponent.
budget:start [2013/03/27 16:25] (current)
andy [Classifying Transactions]
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 ^ Date | The month, day of the month, day of the week and the nth occurrence of that day within the month are all converted into tokens. For example, **2013-03-27** might yield tokens **''​mon-mar''​**,​ **''​mday-27''​**,​ **''​wday-wed''​** and **''​nthday-4''​**. | ^ Date | The month, day of the month, day of the week and the nth occurrence of that day within the month are all converted into tokens. For example, **2013-03-27** might yield tokens **''​mon-mar''​**,​ **''​mday-27''​**,​ **''​wday-wed''​** and **''​nthday-4''​**. |
-^ Amount | A logarithmic scale is used to classify transactions,​ using base 2 for simplicity. To prevent weaker indicators around base 2 boundaries, the next log up is also included. For example, the amount **£38.15** would yield tokens **''​amnt-2^5''​** and **''​amnt-2^6''​**.+^ Amount | A logarithmic scale is used to classify transactions,​ using base 2 for simplicity. To prevent weaker indicators around base 2 boundaries, the next log up is also included. For example, the amount **£38.15** would yield tokens **''​amnt-2^5''​** and **''​amnt-2^6''​**. ​|
 ^ Description | The description is split into tokens of alphanumerics using any other character as a separator and forced to lowercase. For example, the string **''​BRGAS-ELEC AC110298738''​** would yield tokens **''​brgas''​**,​ **''​elec''​** and **''​ac110298738''​**. | ^ Description | The description is split into tokens of alphanumerics using any other character as a separator and forced to lowercase. For example, the string **''​BRGAS-ELEC AC110298738''​** would yield tokens **''​brgas''​**,​ **''​elec''​** and **''​ac110298738''​**. |
  
budget/start.1364401531.txt.gz · Last modified: 2013/03/27 16:25 by andy