Provides a tool for collecting statistics about the values of fields in the data set. More...
Public Member Functions | |
| Statistics () | |
| Constructs the object without initialization. | |
| void | initialize (int size) |
| Initializes the object with total number of distinct values in the data set. | |
| void | add (Record record) |
| Add and parse the record, and update the statistics. | |
| void | add (MultiFieldKey key, int quantity) |
| Add explicitly a value with given quantity. | |
| void | print (OutputStream out) |
| Prints statistics to given output stream. | |
| void | print () |
| Prints statistics to standard output stream. | |
| void | print (String filename) |
| Print statistics to a given file. | |
Provides a tool for collecting statistics about the values of fields in the data set.
| void common.Statistics.add | ( | Record | record | ) | [inline] |
Add and parse the record, and update the statistics.
| record | record to add. |
| void common.Statistics.add | ( | MultiFieldKey | key, |
| int | quantity | ||
| ) | [inline] |
Add explicitly a value with given quantity.
| key | |
| quantity |
| void common.Statistics.initialize | ( | int | size | ) | [inline] |
Initializes the object with total number of distinct values in the data set.
| size | number of distinct values in the data set. |
| void common.Statistics.print | ( | OutputStream | out | ) | [inline] |
Prints statistics to given output stream.
| out | output stream. |
| void common.Statistics.print | ( | String | filename | ) | [inline] |
Print statistics to a given file.
| filename | output filename. |
1.7.6.1