Data Analysis

JXN can read and analyse text files containing column-wise organized decimal and date time (timestamps) values. The class JxnRealArrayTextFileDataSource provides various get methods which parse a file and return a JxnRealArrayAlgebra instance for a specified column. Fixed width columns and character separated columns are supported.

•   reads data from files in different formats
  • data_fixed_width_columns.html
  • data_tab_separated_columns.html
  • data_semi-colon_separated_columns.html
  
  
•   reads data with timestamp (times series)
  • data_with_timestamp.html
  
  

Procedure to read unknown files (adapt to unknown data formats)

 see JxnRealArrayTextFileDataSource

Time Zone and Daylight Saving Time

 see JxnRealArrayTextFileDataSource.setDateTimeFormat(…)  and  KmgDateTimeConverter.parse(…)