#hercodeer je een variabele, maak je een ordening in de volgorde (bij factor) Met opmerkingen [CD3R2]: " T='waar' ; F = 'niet waar' "
Met opmerkingen [CD4R2]: " lo:6 = '0' ; 6:hi = '1' "
Data$Variabele.f <- recode(Data$Variabele, "0:6='Goed'; 6:10='Zeer goed'", as.factor=T)
Met opmerkingen [CD5]: Element 0 tot 6 noemen we
#Na hercoderen nakijken of juist gehercodeerd is!!! goed
Met opmerkingen [CD6R5]: Ondergrens zit er niet bij,
table(Data$Variabele,Data$Variabele.f) bovengrens wel
is.factor(Data$Variabele) #true?
#Nakijken ordening (en aanpassen)
levels(Data$Variabele.f)
Data$Variabele.fo <- factor(Data$Variabele.f, ordered = T, levels = c('Goed','Zeer goed')) Met opmerkingen [CD7]: Hier volgorde plaatsen die je
wilt
VERSCHILLENDE SOORTEN VOORSTELLINGEN
#absolute frequentie opvragen
table(Data$Variabele)
#Relatieve frequentie opvragen en omzetten in procent
prop.table(table(Data$Variabele))*100
#Frequentietabel opvragen
freqtabel(Data$Variabele)
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