[R] Apply() on columns

[John Kane]

Maybe I'm just slow today but what are the columns? I had a look at the dataset and it has no headers so reading it into R just supplies us with something like :  dput(head(sm))

sup  <-  structure(list(V1 = c(7L, 7L, 7L, 7L, 9L, 7L), V2 = c(6L, 8L, 
8L, 9L, 9L, 6L), V3 = c(8L, 8L, 7L, 9L, 6L, 8L), V4 = c(8L, 8L, 
10L, 8L, 7L, 7L), V5 = c(8L, 9L, 10L, 8L, 8L, 7L), V6 = c(30.25, 
26.75, 28.75, 33.25, 32.25, 27.5), V7 = c(20.25, 33, 33, 32.75, 
35.25, 25.5), V8 = c(29.75, 27.75, 25.75, 29, 23, 26.75), V9 = c(28.25, 
30, 36.75, 26.25, 24.25, 30.75), V10 = c(24.5, 43, 41.25, 33.5, 
34.75, 35.25)), .Names = c("V1", "V2", "V3", "V4", "V5", "V6", 
"V7", "V8", "V9", "V10"), row.names = c(NA, 6L), class = "data.frame")

Presumably V1 is related to V6 somehow?

If so what is one expected to do with the data?


John Kane
Kingston ON Canada


> -----Original Message-----
> From: f.a.elsendoorn at gmail.com
> Sent: Tue, 19 Jun 2012 01:29:26 -0700 (PDT)
> To: r-help at r-project.org
> Subject: Re: [R] Apply() on columns
> 
> Hi,
> 
> It wasn't my purpose to quote the assignment here, but since my example
> is
> crappy I will.
> So I'am a manager of a supermarket and interested in the average working
> hours per employee.
> At  http://www.mijnbestand.nl/Bestand-6Z8PB7VNSUHZ.txt this link  you can
> find the dataset.
> The dataset contains the total number of employees (first 5 columns)
> together with the number of worked hours (last 5 columns) of the evening
> filling team of the supermarket over the period 2 Januari 1992 until 2
> January 1993 (each row contains the data of one week). Summerize the data
> as
> informative as possible for the manager; use graphical and numerical
> summaries for this. For this you may use the function apply. To load
> these
> data you may prefer to use the R-function read.table instead of the
> function
> scan.
> 
> By graphical summary I thougt of: boxplot, histogram, qqplot
> By numerical summary I thougt of: 5pointssummary.
> 
> How can I use apply (because I must use that function) in order to make
> those summaries?
> 
> Yours
> 
> Frans Elsendoorn
> 
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Apply-on-columns-tp4633468p4633813.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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> PLEASE do read the posting guide
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