search for: dfgrouping

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2007 May 08
0
'aggregate' should preserve level ordering of factors (PR#9666)
...r' is mentioned only once: "The elements of the list will be coerced to factors (if they are not already factors)." ----- This issue made me write the following code used for preparing the data for a barchart: df.a = aggregate(df[,value.var], list(grouping=dfgrouping, other=dfsubbar.var), FUN=FUN) if (is.factor(dfsubbar.var)) { # R 2.4: this should be done by 'aggregate' df.a$other = factor(df.a$other, levels=levels(dfsubbar.var), ordered=is.ordered(dfsubbar.var)) } Cumbersome....
2007 May 14
0
(PR#9666) 'aggregate' should preserve level ordering of
...The elements of the list will be coerced to > factors (if they are not already factors)." > > ----- > > This issue made me write the following code used > for preparing the data for a barchart: > > df.a = aggregate(df[,value.var], > list(grouping=dfgrouping, other=dfsubbar.var), > FUN=FUN) > if (is.factor(dfsubbar.var)) { # R 2.4: this should be done by 'aggregate' > df.a$other = factor(df.a$other, > levels=levels(dfsubbar.var), > ordered=is.ordered(dfsubbar.va...
2014 Dec 17
3
Problema con el subset
Hola a todos, Agradeceros de antemano vuestro tiempo y paciencia ya que soy un poco novato y tal vez esto sea un poco trivial.  Lo que quiero hacer es que me represente en eje de las x las fechas (columna fecha) y los valores de z (columna z) pero de los datos que he filtrado antes en (dfgrupo<-subset(df,df$parametroslaboratorio=="Aflatoxinas ByG")) y que los parámetros iguales