Error in train data. · Python for Quant Trading

Nov '24 • Error

Error in train data.

Trying to run a back testing . have written below code

+++

train.loc[:, 'Date'] = pd.to_datetime(train.index) # Fix here with .loc[]

train.set_index('Date', inplace=True)

+++

but getting below error.

A value is trying to be set on a copy of a slice from a DataFrame.

Try using .loc[row_indexer,col_indexer] = value instead

could you explain why i am getting this error ?

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