Recent questions tagged data-science

+2 votes

2 answers 1.9k views

How can I prove that following is a tautology (using laws of logical equivalences)

asked Feb 15, 2020 in Discrete Mathematics by Jashanpreet singh (170 points)

+1 vote

1 answer 1k views

How to filter a dataframe?

asked Dec 24, 2019 in Python Interview Questions by interview (1.4k points)

0 votes

1 answer 135 views

Can anyone please solve Q7 pg 329 in Induction?

asked Dec 5, 2019 in Discrete Mathematics by Burhan (160 points)

+1 vote

0 answers 142 views

Individual and group relative strength in a fixed pool of players: How to approach the problem?

asked Oct 29, 2019 in Statistics by MrNycticorax (130 points)

+1 vote

1 answer 272 views

ideas and opinion on what kind of analyses needs to be done

asked Jul 26, 2019 in General by dhan980 (130 points)

0 votes

1 answer 295 views

What are the most important Python libraries for data science?

asked Jul 7, 2019 in General by AskDataScience (115k points)

+1 vote

0 answers 132 views

Using aggregate data to generate observation-level data statistically sound?

asked Jun 11, 2019 in general by bwang15 (130 points)

+1 vote

1 answer 178 views

What are the available libraries for continuous time hidden markov models ?

asked Jun 7, 2019 in Data Science by Subhendu Sekhar Behe (130 points)

0 votes

1 answer 181 views

Is digital marketing and marketing internships worth it for a data science student?

asked Apr 4, 2019 in General by Skander Borgi (120 points)

+1 vote

1 answer 2.1k views

How do I reduce RMSE in a Random Forest Regressor?

asked Apr 3, 2019 in Machine Learning by engy.abdelazeez (190 points)

+1 vote

1 answer 853 views

Determine weights on the paths that connect to the different data points in a neural network?

asked Mar 18, 2019 in Machine Learning by mcneils (130 points)

+1 vote

1 answer 208 views

I fit a many different models to my data set and I still get horrible accuracy. Any suggestions?

asked Mar 7, 2019 in Machine Learning by engy.abdelazeez (190 points)

+1 vote

1 answer 633 views

How do you visualize/present the predicted output of a random forest model with large trees?

asked Feb 28, 2019 in Machine Learning by engy.abdelazeez (190 points)

+1 vote

1 answer 448 views

Do you have a cheatsheet for Data Science?!

asked Feb 26, 2019 in Data Science Interview Questions by interview (1.4k points)

+1 vote

1 answer 249 views

What is degree of Freedom while calculating confidence interval?

asked Dec 7, 2018 in Statistics by Deep Patel (700 points)

0 votes

1 answer 209 views

What is 'Degrees of Freedom'?

asked Nov 29, 2018 in Data Science by mobeenraza (900 points)

+1 vote

1 answer 12.2k views

What is the difference between univariate and multivariate analysis?

asked Oct 30, 2018 in Data Science Interview Questions by GraceG (170 points)

+1 vote

1 answer 526 views

How will you create a classification to identify key customer trends in unstructured data?

asked Oct 28, 2018 in Data Science Interview Questions by rozhan (710 points)

+1 vote

1 answer 494 views

Explain the typical data analysis process.

asked Oct 28, 2018 in Data Science Interview Questions by rozhan (710 points)

+1 vote

1 answer 395 views

What is the difference between Data Mining and Data Analysis?

asked Oct 28, 2018 in Data Science Interview Questions by rozhan (710 points)

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