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Recent questions in Data Science

1 1 vote
1 1 answer
633
633 views
What are the available libraries for continuous time hidden markov models ?
0 0 votes
1 1 answer
1.8k
1.8k views
How to reshape in pandas dataframe?
Dataframe looks like belowI have dataframe like above. which I want to a~t reshape (a~t, 1)I want to reshape dataframe like below ( b~t column is go to under the a column...
0 0 votes
1 1 answer
726
726 views
Is digital marketing and marketing internships worth it for a data science student?
it's about data science career
0 0 votes
1 1 answer
1.0k
1.0k views
How to open Jupyter notebook files on Windows or Mac without web browser?
1 1 vote
0 0 answers
576
576 views
Passing variable length sentences to Tensorflow LSTM
I have a tensorflow LSTM model for predicting the sentiment. I build the model with the maximum sequence length 150. (Maximum number of words) While making predictions, i...
1 1 vote
1 1 answer
742
742 views
What is the easiest way to distinguish whether to use a z value test or a t value test?
1 1 vote
1 1 answer
696
696 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
690
690 views
Computing the Confidence Interval for a Difference Between Two Means
1 1 vote
1 1 answer
693
693 views
How to find the strength of a P-value against a null hypothesis?
1 1 vote
1 1 answer
819
819 views
What is degree of Freedom while calculating confidence interval?
1 1 vote
1 1 answer
812
812 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
0 0 votes
1 1 answer
885
885 views
What is the T Distribution?
0 0 votes
1 1 answer
778
778 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
0 0 votes
1 1 answer
732
732 views
What is 'Degrees of Freedom'?
What is 'Degrees of Freedom'?
1 1 vote
1 answers 1 answer
4.1k
4.1k views
How do I calculate a and z a/2?
1 1 vote
1 1 answer
1.5k
1.5k views
What is the rule that determines percentages with the mean +- 1,2 or 3 standard deviations?
2 2 votes
2 2 answers
1.0k
1.0k views
What will be probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 1 answer
1.1k
1.1k views
How much percentage of data items are consumed within mean +-1 , +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
971
971 views
What is a test statistic in hypothesis testing and how does it relate to the p-value?
1 1 vote
1 answers 1 answer
750
750 views
What is sampling error?
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