Data are displayed in a spreadsheet. The spreadsheet consists of rows and columns. Each row represents an observation and each column represents a variable. The first row of the spreadsheet shows the variable names which are also shown in the output. Editing of the data file can be done in the spreadsheet using the keyboard.
Data can read from file by pasting data in the textfield of the dialog. If the first line of the data contain variable names. The data can be strings, for instance normal, abnormal, and borderline and numerical values, such as 1,2,3.
Open a datafile using a texteditor, or use the example below to copy data into the spreadsheet.
Clotting Times of Hurn (1945)
Hurn (1945) published dat on the clotting time of blood, giving clotting times in seconds for normal plasma diluted to nine different percentage concentrations with prothrombin free plasma (u); clotting was induced by two lots of prothromboplastin. These data are taken from McCullagh & Nelder (1989).
u ln(u) lot time 5 1.609 1 118 10 2.303 1 58 15 2.708 1 42 20 2.996 1 35 30 3.401 1 27 40 3.689 1 25 60 4.094 1 21 80 4.382 1 19 100 4.605 1 18 5 1.609 2 69 10 2.303 2 35 15 2.708 2 26 20 2.996 2 21 30 3.401 2 18 40 3.689 2 16 60 4.094 2 13 80 4.382 2 12 100 4.605 2 12
Select the data above using the mouse, and use control-C to copy the data. Then click the textfield in the import window and use control-V to paste the data in the text area. Then click the paste data button, the data will appear in the spreadsheet.