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william007
  • Member for 9 years, 9 months
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27 votes
3 answers
22k views

How the embedding layer is trained in Keras Embedding layer

12 votes
2 answers
766 views

Residual using absolute loss linear regression

11 votes
1 answer
8k views

How do I decide when to use MAPE, SMAPE and MASE for time series analysis on stock forecasting

6 votes
2 answers
1k views

Why Spearman's rank correlation ranges from from -1 to 1

5 votes
3 answers
698 views

ACF vs PACF in ARIMA

4 votes
0 answers
88 views

Intuitive explanation of using ACF to determine the order of MA in time series

3 votes
2 answers
2k views

p-value calculation for coin flipping

3 votes
0 answers
78 views

Measuring unusual death [closed]

2 votes
1 answer
250 views

Statistical test to establish that event B is caused by event A

2 votes
0 answers
211 views

Multivariate stationarity/cointegration test

2 votes
1 answer
1k views

a/b testing with two different treatment groups

2 votes
1 answer
844 views

Why MA model order is from acf but not pacf

2 votes
1 answer
281 views

Best practice with cross validation

2 votes
1 answer
283 views

Tuning of Hyperparameter [duplicate]

2 votes
2 answers
756 views

L1 L2 regularization [duplicate]

2 votes
1 answer
266 views

Detect coin bias from observation

1 vote
1 answer
155 views

About residual of linear regression

1 vote
0 answers
38 views

the relationship between the parameter estimates [closed]

1 vote
1 answer
50 views

Word coocurrence in word2vec

1 vote
1 answer
239 views

Calculate loss from intermediate layer

1 vote
0 answers
39 views

Correlation of feature and the output

1 vote
1 answer
991 views

Why PCA needs to consider **perpendicular** distance and cater for maximal variance?

1 vote
1 answer
76 views

Cache/Saved feature engineering result for reusing

1 vote
1 answer
723 views

Categorical variable for Arima

1 vote
1 answer
68 views

Regarding loss function

1 vote
1 answer
69 views

Recency weightage on stock forecast error

0 votes
0 answers
18 views

Collinearity and relationship between the parameter estimates [duplicate]

0 votes
0 answers
88 views

Hyperparameter tuning on training data vs validation data

0 votes
0 answers
51 views

Hypothesis test for classification model

0 votes
1 answer
12 views

Time series training data lag