[R] point in polygon dataframe data

[Indhira, Anusha]

Hi ,

I have polygon vertices as given below

   ft_num         dv_ft dp30_mn_phase     dv_n2 p30_mn_phase tgt_mn_phase n2_bin    fuel_mn    epr_mn  min_dp30_mnp
19     28 zero-gradient -0.0006680832 transient     34.76701     493.6494    g75  304.56411 0.9593899 -0.0006680832
18     28  neg-gradient -0.0022879651 transient     30.90294     459.6093    g75  262.22673 0.9561083 -0.0022879651
22     31 zero-gradient -0.0001535604 transient     12.15854     304.8818    l50   29.82188 0.9487416 -0.0001535604
2      10 zero-gradient  0.0003930719 transient     21.80663     503.8669    l50  242.14284 0.9250054  0.0003930719
1      10  pos-gradient -0.0016072616 transient     23.35261     516.5950 b50-75  265.61233 0.9206513 -0.0016072616
5      13      zero-alt  0.0010052941 transient     31.93961     574.0899 b50-75 2092.06574 1.0072156  0.0010052941
6      14  neg-gradient -0.0017905848 transient     42.34545     626.4670 b50-75  465.59408 0.9588052 -0.0017905848
20     30  neg-gradient -0.0015010177 transient     46.30469     644.3314    g75  525.38626 0.9496521 -0.0015010177
    max_dp30_mnp min_p30_mnp max_p30_mnp
19 -0.0006680832    34.76701    34.76701
18 -0.0022879651    30.90294    30.90294
22 -0.0001535604    12.15854    12.15854
2   0.0003930719    21.80663    21.80663
1  -0.0016072616    23.35261    23.35261
5   0.0010052941    31.93961    31.93961
6  -0.0017905848    42.34545    42.34545
20 -0.0015010177    46.30469    46.30469

Is there a function in R which can tell whether a point from a data.frame having same columns is inside or outside the polygon( can remove ft_num attribute for comparision)?

Thanks,
Alily
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