遇到报错：
ValueError: Found array with 0 sample(s) (shape=(0, 3)) while a minimum of 1 is required.
报错部分的代码
if ensure_min_samples > 0:
n_samples = _num_samples(array)
if n_samples < ensure_min_samples:
raise ValueError(
"Found array with %d sample(s) (shape=%s) while a"
" minimum of %d is required%s."
% (n_samples, array.shape, ensure_min_samples, context) #这里报错
)
if ensure_min_features > 0 and array.ndim == 2:
n_features = array.shape[1]
if n_features < ensure_min_features:
raise ValueError(
"Found array with %d feature(s) (shape=%s) while"
" a minimum of %d is required%s."
% (n_features, array.shape, ensure_min_features, context)
)
if copy and np.may_share_memory(array, array_orig):
array = np.array(array, dtype=dtype, order=order)
return array
请问，是什么原因出现这个报错呢？
