While many types of data sets are automatically linked with appropriate annotation files upon import, if this does not occur, a spreadsheet can be manually linked with an annotation file. 

• Right-click Breast_Cancer.txt in the spreadsheet tree
• Select Properties (Figure 1)
  
  

Figure 1. Selecting file properties for a spreadsheet

Configure the Configure Genomic Properties as shown (Figure 2) with the following steps:

• Select Gene Expression from the Choose the type of genomic data drop-down menu
• Select Feature in column label 
• Select Browse... 
• Select HG_U95Av2.na36.annot.csv from the microarray libraries folder
• Select Set Column
• Select Gene Symbol from the Choose column containing gene symbol/microRNA name dialog
• Select Homo sapiens and hg19 from the Species and Genome Build drop-down menus
  
  

 

Figure 2. Configure the genomic properties dialog as shown

There is now an * after the spreadsheet name in the spreadsheet tree. This indicates an unsaved change has been made to the spreadsheet. 

• Select () to save the changes

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