[R] Dataframe is character

Ivan Calandra calandra at rgzm.de
Fri Nov 17 12:21:29 CET 2017


Good one, did not even notice that...!

--
Dr. Ivan Calandra
TraCEr, laboratory for Traceology and Controlled Experiments
MONREPOS Archaeological Research Centre and
Museum for Human Behavioural Evolution
Schloss Monrepos
56567 Neuwied, Germany
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On 17/11/2017 11:02, Petra Oleum wrote:
> class("dat") is different from class(dat), which is what you actually want.
>
> On 17-11-17, P. Roberto Bakker wrote:
>> Hi everybody,
>>
>> Question: why are my dataframe and numeric variables a character?
>>
>> I read an excel file via readxl but my dataframe is a character, and
>> numeric variables, eg "yi", are also a character.
>> My excelfile is in English numeric
>> Sometimes the dataframe was indeed a dataframe, but I do not know why it
>> did sometimes.
>> Thank you in advance, Roberto
>> PS I used "guess". The problem is not solve by using "text", "numeric" etc
>>
>> My syntax (I think I cannot send the excel file as binary?)
>>
>>> library(readxl)
>>> library(readxl)
>>> library(metafor)
>>> setwd("C:/docs/Work2/Statistic_Analyses/MetaQTcAD")
>>> getwd()
>> [1] "C:/docs/Work2/Statistic_Analyses/MetaQTcAD"
>>> dat <- read_excel("Hedges-g_QTc MA_R05.xlsx", sheet = 2, col_names=TRUE,
>> col_types = c("guess"))
>>> class("dat")
>> [1] "character"
>>> class("yi")
>> [1] "character"
>> 	[[alternative HTML version deleted]]
>>
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>> and provide commented, minimal, self-contained, reproducible code.
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



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