Table 1 Pseudocode functions
From: Kavosh: an effective Map-Reduce-based association rule mining method
Function | Description |
|---|---|
NOC(TableName) | Returns the number of columns |
NOR(TableName) | Returns the number of rows |
NODV(TableName, ColumnName/ColumnID) | Returns the number of distinct values in the specified column |
NaOC(TableName, k) | Returns the name of the kth column in the specified table |
DVC(TableName,ColumnName/ColumnID, k) | Returns the kth distinct value of the specified column |
CT(ColumnsArray[],TableName) | Creates a table with an input column array with a specified table name |
RVT(TableName, ColumnName/ColumnID,RowID) | Returns the value of the specified table name, column name/column ID, and row ID |
EXEC (Query, ResultTable) | Executes a query, creates a results table and puts the results into the results table The results table can be created in RAM or HDD, according to the node hardware specification. |
& | & is a logical operator (And) |
I2B(i) | Converts the integer value i to a binary value |