On Jan 17, 2012, at 4:56 PM, Jean V Adams wrote:
Read the help file on how to extract from a data frame:
?"[.data.frame"
Then, try adding a comma inside the brackets.
data.station1 <- data[data$Station==1, ]
Before the comma, the data$Station==1 identifies what rows to select.
After the comma,
Read the help file on how to extract from a data frame:
?"[.data.frame"
Then, try adding a comma inside the brackets.
data.station1 <- data[data$Station==1, ]
Before the comma, the data$Station==1 identifies what rows to select.
After the comma, the lack of specification indicates that all column
(As a noob to R, this is my first posting - yes yes, groans all around...)
I'm trying to extract certain rows from a data frame. I used the following to
import data from a CSV txt file.
data <- read.table(file="data.txt", header=TRUE)
when I do this, my attempt to extract the data rows
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