Replace numbers in data frame column in R? [duplicate]

Question

Possible Duplicate:
Replace contents of factor column in R dataframe

I have the data.frame

df1<-data.frame("Sp1"=1:6,"Sp2"=7:12,"Sp3"=13:18)
rownames(df1)=c("A","B","C","D","E","F")

df1
  Sp1 Sp2 Sp3
A   1   7  13
B   2   8  14
C   3   9  15
D   4  10  16
E   5  11  17
F   6  12  18

I want to replace every entry of the number 8 in the column df1$Sp2 with the number 800. I have tried:

test<-replace(df1$Sp2,df1[800,"Sp2"],5)

For a better understanding of how to use replace see: stackoverflow.com/questions/11811027/replace-function-examples — Tyler Rinker
– Tyler Rinker, Commented Aug 5, 2012 at 14:56

sgibb · Accepted Answer · 2012-08-05 14:53:52Z

65

e.g.:

df1$Sp2[df1$Sp2 == 8] <- 800

answered Aug 5, 2012 at 14:53

sgibb

25.8k3 gold badges72 silver badges77 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

Monica Heddneck Over a year ago

@Elizabeth, why not accept the answer!

janeon Over a year ago

When testing this, my column gets turned into an integer, anyone else experiencing anything similar?

Collectives™ on Stack Overflow

Replace numbers in data frame column in R? [duplicate]

1 Answer 1

2 Comments

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

2 Comments

Linked

Related