**Daily update | 06 February, 2023**

# StackExchange

#### Which Deep Learning Method to use for the classification of precious stones (diamonds, sapphire, ruby etc) based on digital photo images and data set?

**Source:** stats**Views:** 120**Score:** 4**Tags:** machine-learning neural-networks classification conv-neural-network computer-vision

#### Properties of OLS under non-stationary variables

**Source:** stats**Views:** 10**Score:** 3**Tags:** stationarity spurious-correlation gauss-markov-theorem

#### Fast Gradient Sign Method First Order Derivative

**Source:** stats**Views:** 16**Score:** 2**Tags:** neural-networks adversarial-example

#### Regularization on small dataset with n/p < 10

**Source:** stats**Views:** 9**Score:** 1**Tags:** linear-model regularization

#### How to use Forwards algorithm for HMM with Continuous Observation model $P(y|z_t=k)$

**Source:** stats**Views:** 13**Score:** 1**Tags:** inference hidden-markov-model state-space-models