there is a data frame £¬x
weekly.returns
2010-1-4 -0.015933327
2010-1-11 -0.015042868
2010-1-18 0.005350297
2010-1-25 -0.049324703
2010-2-1 -0.052674121
when i input
colnames(data)[1] <- 'date'
it becomes
date
2010-1-4 -0.015933327
2010-1-11 -0.015042868
2010-1-18 0.005350297
2010-1-25 -0.049324703
2010-2-1 -0.052674121
how can i change ti into:
date weekly.returns
1 2010-1-4 -0.015933327
2 2010-1-11 -0.015042868
3 2010-1-18 0.005350297
4 2010-1-25 -0.049324703
5 2010-2-1 -0.052674121
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