Hello,
I'm a new user of R. I've a very big table like the following structure
(suppose the variable name with "aa"). From this table I want to make a new
table which'll contain just two column with V2 and V6 with some particular
rows( Suppose, variable name with "bb"). I'd like to mention V2 column is
representing the id  that correspond to the column V6 whis is represention
the base position of DNA. In this bb table, just for an example I want to
extract all the corresponding rows of V2 column where in V6 column there is
"30049831" (in my table there is repeatation of same base position). I tried
this but faild to solve.
Could you please let me know how can i solve this.

Thank you.
Mauluda


V1                                   V2
V3        V4          V5       V6              V7        V8   V9 V10  V11
ESME    HEP0102102796h05.w2kF59780SCF:32      CpG    Variation    6
30049831    30049831    +    .    -1    NA
ESME    HEP0102102796h05.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    31    NA
ESME    HEP0102102796h05.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    48    NA
ESME    HEP0102102796h05.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    30    NA
ESME    HEP0102102796h05.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    38    NA
ESME    HEP0102102796h05.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    14    NA
ESME    HEP0102102796h05.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102796h05.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    1    NA
ESME    HEP0102102796a04.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    25    NA
ESME    HEP0102102796a04.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    28    NA
ESME    HEP0102102796a04.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    28    NA
ESME    HEP0102102796a04.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    45    NA
ESME    HEP0102102796a04.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    29    NA
ESME    HEP0102102796a04.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102796a04.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    8    NA
ESME    HEP0102102796e06.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    20    NA
ESME    HEP0102102796e06.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    28    NA
ESME    HEP0102102796e06.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    44    NA
ESME    HEP0102102796e06.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    -1    NA
ESME    HEP0102102796e06.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    22    NA
ESME    HEP0102102796e06.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102796e06.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    0    NA
ESME    HEP0102102788c04.w2kF59780SCF:32      CpG    Variation    6
30049831    30049831    +    .    -1    NA
ESME    HEP0102102788c04.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    38    NA
ESME    HEP0102102788c04.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    31    NA
ESME    HEP0102102788c04.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    54    NA
ESME    HEP0102102788c04.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    36    NA
ESME    HEP0102102788c04.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    27    NA
ESME    HEP0102102788c04.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102788c04.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    4    NA
ESME    HEP0102102796d06.w2kF59780SCF:32    CpG    Variation    6
30049831    30049831    +    .    -1    NA
ESME    HEP0102102796d06.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    0    NA
ESME    HEP0102102796d06.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    15    NA
ESME    HEP0102102796d06.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    16    NA
ESME    HEP0102102796d06.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    16    NA
ESME    HEP0102102796d06.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    21    NA
ESME    HEP0102102796d06.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102796d06.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    0    NA
ESME    HEP0102102796b05.w2kF59780SCF:32      CpG    Variation    6
30049831    30049831    +    .    -1    NA
ESME    HEP0102102796b05.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    0    NA
ESME    HEP0102102796b05.w2kF59780SCF:154    CpG    Variation    6
30049953    30049953    +    .    17    NA
ESME    HEP0102102796b05.w2kF59780SCF:170    CpG    Variation    6
30049969    30049969    +    .    29    NA
ESME    HEP0102102796b05.w2kF59780SCF:172    CpG    Variation    6
30049971    30049971    +    .    24    NA
ESME    HEP0102102796b05.w2kF59780SCF:245    CpG    Variation    6
30050044    30050044    +    .    10    NA
ESME    HEP0102102796b05.w2kF59780SCF:363    CpG    Variation    6
30050162    30050162    +    .    0    NA
ESME    HEP0102102796b05.w2kF59780SCF:382    CpG    Variation    6
30050181    30050181    +    .    0    NA
ESME    HEP0102102788a06.w2kF59780SCF:32      CpG    Variation    6
30049831    30049831    +    .    -1    NA
ESME    HEP0102102788a06.w2kF59780SCF:114    CpG    Variation    6
30049913    30049913    +    .    67    NA

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