Wie generieren-bin-Frequenz-Tabelle in R?

Wie kann ich bin-Daten der Größe 0,1 für das folgende Beispiel.

x<-c(0.01,0.34,0.45,0.67,0.89,0.12,0.34,0.45,0.23,0.45,0.34,0.32,0.45,0.21,0.55,0.66,0.99,0.23,.012,0.34)
range        frequency
0.1-0.2       a
0.2-0.3       b
0.3-0.4       c
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Hinsichtlich

InformationsquelleAutor Manish | 2015-01-08
  1. 12

    Bezüglich @akrun Lösung, ich würde post etwas nützliches aus der Dokumentation ?cut im Fall:

    Hinweis

    Statt
    table(cut(x, br)), hist(x, br, plot = FALSE)
    mehr
    effiziente und weniger Speicher hungrig.

    So, bei vielen Daten, würde ich eher entscheiden:

    br = seq(0,1,by=0.1)

ranges = paste(head(br,-1), br[-1], sep=" - ")
freq   = hist(x, breaks=br, include.lowest=TRUE, plot=FALSE)

data.frame(range = ranges, frequency = freq$counts)

#       range frequency
#1    0 - 0.1         2
#2  0.1 - 0.2         1
#3  0.2 - 0.3         3
#4  0.3 - 0.4         5
#5  0.4 - 0.5         4
#6  0.5 - 0.6         1
#7  0.6 - 0.7         2
#8  0.7 - 0.8         0
#10   0.9 - 1         1
    • freq = hist(x, breaks=br, include.lowest=TRUE, plot=FALSE) #break=br werden sollte, breaks=br
    • rechts geändert!
    InformationsquelleAutor Colonel Beauvel
  2. 8

    versuchen

     as.data.frame(table(cut(x, breaks=seq(0,1, by=0.1))))
    InformationsquelleAutor akrun
  3. 0

    Akrun die Antwort war gut, aber nicht so Recht, mich dort für die Formatierung.

    x<-c(0.01,0.34,0.45,0.67,0.89,0.12,0.34,0.45,0.23,0.45,0.34,0.32,0.45,0.21,0.55,0.66,0.99,0.23,.012,0.34)

cuts<-cut(x, breaks=seq(0,1, by=0.1))
counts<-c(t(table(cuts)))

#Here's the important part for me, formatting the cuts for display in the data frame:

labs <- levels(cuts)
lable_matrix<-cbind(lower = as.numeric( sub("\\((.+),.*", "\\1", labs) ),
  upper = as.numeric( sub("[^,]*,([^]]*)\\]", "\\1", labs) ))

cut_frame<-data.frame(lable_matrix,counts)

#   lower upper counts  
#1    0.0   0.1      2  
#2    0.1   0.2      1  
#3    0.2   0.3      3  
#4    0.3   0.4      5  
#5    0.4   0.5      4  
#6    0.5   0.6      1  
#7    0.6   0.7      2  
#8    0.7   0.8      0  
#9    0.8   0.9      1  
#10   0.9   1.0      1
    InformationsquelleAutor Odysseus Ithaca
  4. 0

    Gebäude auf @Colonel Beauvel Antwort,

    Einer bin-Frequenz-Tabelle Funktion. (Histogramm-Tabelle). 

    binFreqTable <- function(x, bins) {

  freq = hist(x, breaks=bins, include.lowest=TRUE, plot=FALSE)

  ranges = paste(head(freq$breaks,-1), freq$breaks[-1], sep=" - ")

  return(data.frame(range = ranges, frequency = freq$counts))

}

    Beispiele:

    > binFreqTable(x,c(0,.3,.6,1))
#      range frequency
#1   0 - 0.3         6
#2 0.3 - 0.6        10
#3   0.6 - 1         4

> binFreqTable(x,5)
#      range frequency
#1   0 - 0.2         3
#2 0.2 - 0.4         8
#3 0.4 - 0.6         5
#4 0.6 - 0.8         2
#5   0.8 - 1         2

> binFreqTable(x,seq(0,1,by=0.1))
#       range frequency
#1    0 - 0.1         2
#2  0.1 - 0.2         1
#3  0.2 - 0.3         3
#4  0.3 - 0.4         5
#5  0.4 - 0.5         4
#6  0.5 - 0.6         1
#7  0.6 - 0.7         2
#8  0.7 - 0.8         0
#9  0.8 - 0.9         1
#10   0.9 - 1         1
    InformationsquelleAutor M. Viking
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