ccf(data1,data2)

# create the vector with 10 elements
data1=c(1:10)
 
# create the vector with 10 elements
data2=c(45:54)
 
# get ccf of the two data
print(ccf(data1,data2))

# create the dataframe with 2 columns
data1=data.frame(a=c(1:10),b=c(23:32))
 
# get ccf of the two dataframe columns
print(ccf(data1a,data1b))