Expected 2D array, got 1D array instead

[thomasd3]

Hi,
Trying to run your code, I get the following error:

File "/Library/Python/2.7/site-packages/sklearn/utils/validation.py", line 441, in check_array
"if it contains a single sample.".format(array))
ValueError: Expected 2D array, got 1D array instead:
array=[ 304.8 288.1 324.65 315.6 313.15 315.35 326.75 335.75 323.15
324.65 327.4 327.4 354. 338.25 333.7 345.6 343.35 345.65.....

Are there specific version of the packages that I need that could be the problem?

[antjaymes]

You can change the shape of the arrays like so:

df.loc[:, 'Gold'] = sc.fit_transform(df.loc[:, 'Gold'].values.reshape(-1, 1))
sc1 = StandardScaler()
df.loc[:, 'Inflation'] = sc1.fit_transform(df.loc[:, 'Inflation'].values.reshape(-1, 1))
sc2 = StandardScaler()
df.loc[:, 'InterestRate'] = sc1.fit_transform(df.loc[:, 'InterestRate'].values.reshape(-1, 1))
sc2 = StandardScaler()
df.loc[:, 'DJI'] = sc1.fit_transform(df.loc[:, 'DJI'].values.reshape(-1, 1))