Open Data

File | Open Data

Choose this command to load a data file for analysis. A dialog box will appear to allow you to give the data file name. MEGA will first read the data file to check if it contains the Format command (see MEGA format), which specifies certain attributes of the input data (e.g., type of data). If MEGA does not find sufficient information in the format command, it will request the necessary information through an Input Data Format dialog.

If you attempt to open a dataset from a file and MEGA detects inconsistencies or errors in the format, it will open the file in the text editor, allowing you to make changes in the text file so that it conforms to the MEGA format.

Once a data file is opened successfully, the Open Data command will be disabled, some of the file’s basic attributes will be displayed the bottom of the main window. To enable the Open Data command, close the currently active data using the File | Close Data command.

Open dialog box

Use the open dialog box to load new data into MEGA for analysis.

Property	Description
Look In	Lists the current directory. Use the drop-down list to select a different drive or directory.
Files	Displays all files in the current directory matching the wildcards given in File Name or the file type in Files Of Type. You can display a list of files (default) or you can show details for each file.
File Name	Enter the data file name you want to load or type in the wildcards to use as filters.
Files of Type	Choose the type of data file you want to open. At present MEGA allows you to load in MEGA format files only, which should usually have the .MEG extension.
Up One Level	Click this button to move you directory level up from the current directory.
Create New Folder	Click this button to create a new subdirectory in the current directory.
List	Click this button to view a list of files and directories in the current directory.
Details	Click this button to view a list of files and directories along with time stamp, size, and attribute information.