[R] How to extract data based on first column ID in R

Thevaraja, Mayooran M@Thev@r@j@ @end|ng |rom m@@@ey@@c@nz
Sun Jun 23 15:05:23 CEST 2019


Hello

            Check out following link:



https://dzone.com/articles/learn-r-how-extract-rows



https://stat.ethz.ch/R-manual/R-devel/library/base/html/Extract.data.frame.html



Cheers



Mayooran



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From: Yogesh Gupta<mailto:nabiyogesh using gmail.com>
Sent: Monday, June 24, 2019 12:58 AM
To: r-help using r-project.org<mailto:r-help using r-project.org>
Subject: [R] How to extract data based on first column ID in R



Hi,

I need help to extract data based on first column ID in R.

I used the below code but not succeed , it is not giving the row values,
only showing the header of rows.

> head(data)


 Root-1.S35.L001.    Root-10.S75.L001

71f84e7910006f22684121564206e8ca      0.00000000                0

03b167b9f86f2519b4263b4125377eed      0.00000000                0

54e204fb99c80764e964456dadd6a0e5      0.00000000                0

55cd1fc570879d645bbf7a3642e9b0a8      0.00000000                0

65f5c31e12c277aec319e2096463f9d2      0.00000000                0

7bed62f0fef250fd831dcf13bf43f4fc           0.04679457                0


.....................................................


> head(otu.list)

  9d94ce7d60e59034941e3a12bc37865e

1 8e60d301122d7aa359eb6b0b00f37f62

2 bfad6370d28182cc6304844e9bec7fb6

3 088571139af8e0a63fb6652df8a7438b

4 ccd70d57890f276a542ef4b5e5142d4c

5 cab4ca278af34bf722e0c7cb3219370b

6 72f30f3780145f16ac882eb8e2d189a5


....................................


> i <- data[[1]] %in% otu.list

> dim(i)

NULL

> data[i, ]

 [1] Root-1.S35.L001  Root-10.S75.L001 Root-13.S5.L001  Root-14.S16.L001

 [5] Root-17.S26.L001 Root-18.S36.L001 Root-19.S46.L001 Root-22.S56.L001

 [9] Root-24.S66.L001 Root-25.S76.L001 Root-26.S6.L001  Root-27.S17.L001

[13] Root-3.S45.L001  Root-30.S27.L001 Root-32.S37.L001 Root-34.S47.L001

[17] Root-39.S57.L001 Root-4.S55.L001  Root-40.S67.L001 Root-41.S77.L001

[21] Root-43.S7.L001  Root-45.S18.L001 Root-47.S28.L001 Root-50.S38.L001


.............


Could you please suggest how I can get the row values along with the header?


Thanks

Yogesh

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