Dear All,
I have a text file, tab delimited, called "sample.txt",as follows:
ID_REF    382    GC_Score    Theta    R    B_Allele_Freq    Log_R_Ratio
200003    BB    0.9101527    0.9734979    0.8788951    1    0
200006    AB    0.6003323    0.4385073    2.033364    0.4850979    0.01553433

I have explored various options of the command: read.table, with one as:
read.table("sample.txt", na.strings="NA",as.is = TRUE)

However, everything that it reads in becomes a character. 

Could you please help me on this?
Best regards,
Chee

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