How to extract rows using colums of my data

Question

Hi I want to extract somes rows of my data corresponding to the months(2 and 3) Here is my data.

station build   Year Month  
1   Bariko 24.5  1961     1      
2   Bariko 29.1  1962     1       
3   Bariko 26.4  1963     1       
4   Bariko 29.0  1961     2       
5   Bariko 22.0  1962     2      
6   Bariko 25.9  1963     2       
7   Bariko 24.2  1961     3       
8   Bariko 23.9  1962     3       
9   Bariko 24.4  1963     3       
10  Bariko 24.0  1961     4      
11  Bariko 24.2  1962     4      
12  Bariko 24.8  1963     4

And this what I want:

station build   Year Month  
4   Bariko 29.0  1961     2       
5   Bariko 22.0  1962     2      
6   Bariko 25.9  1963     2       
7   Bariko 24.2  1961     3       
8   Bariko 23.9  1962     3       
9   Bariko 24.4  1963     3

`data[data$Month %in% c(2, 3), ]`? (assuming `data` is your data frame) — David Arenburg, Sep 04 '14 at 12:11

nathaneastwood · Accepted Answer · 2014-09-04T13:05:09.257

1

You could use the dplyr package:

library(dplyr)
data_filtered = filter(data, Month == 2 | Month == 3)

How's that? Assuming data is your dataframe

edited Sep 04 '14 at 13:05

answered Sep 04 '14 at 12:50

nathaneastwood

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How to extract rows using colums of my data

1 Answers1