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Recent questions tagged dataset


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When is an estimator \(\hat{p}\) a consistent estimator?
1 answer 98 views
When is an estimator \(\hat{p}\) a consistent estimator?When is an estimator \(\hat{p}\) a consistent estimator? ...
by Pieter Gold Status
(31,957 points)
asked in Data Science & Statistics Dec 16, 2021
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What is cross-validation in data analysis?
1 answer 111 views
What is cross-validation in data analysis?What is cross-validation in data analysis? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Oct 16, 2021
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What is the recommended type of dataset to be used in NOTEARS?
1 answer 118 views
What is the recommended type of dataset to be used in NOTEARS?What is the recommended type of dataset to be used in NOTEARS? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 29, 2021
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What is an outlier? How can outliers be determined in a dataset?
1 answer 324 views
What is an outlier? How can outliers be determined in a dataset?What is an outlier? How can outliers be determined in a dataset? ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Jul 23, 2021
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What is the dot plot of the dataset $A = \{5,5.5,6,6,6,6.5,6.5,6.5,6.5,7,7,8,8,9\}$?
1 answer 67 views
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How can we accurately and reliably predict a response variable from a set of covariates on a data set that differs in distribution from the training data?

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How can we accurately and reliably predict a response variable from a set of covariates on a data set that differs in distribution from the training data?

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What is a mode of a dataset?
1 answer 132 views
What is a mode of a dataset?What is a mode of a dataset? ...
by Pieter Gold Status
(31,957 points)
asked in Data Science & Statistics Mar 27, 2021
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What is the median of a dataset?
1 answer 289 views
What is the median of a dataset?What is the median of a dataset? ...
by Pieter Gold Status
(31,957 points)
asked in Data Science & Statistics Mar 27, 2021
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What is the mean of a dataset?
1 answer 186 views
What is the mean of a dataset?What is the mean of a dataset? ...
by Pieter Gold Status
(31,957 points)
asked in Data Science & Statistics Mar 27, 2021
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What is cross-validation?
0 answers 109 views
What is cross-validation?What is cross-validation? ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Nov 15, 2020
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How does one choose what estimator to use for P(y|W, T=t)?
0 answers 82 views
How does one choose what estimator to use for P(y|W, T=t)?Trying to estimate the effect on a binary variable Y for a dataset with two confounders W that are within the parent set of the treatment variable T. ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Data Science & Statistics Nov 14, 2020
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What is the acronym MERS-CoV?
1 answer 96 views
What is the acronym MERS-CoV?What is the acronym MERS-CoV? ...
by anonymous
asked in Life Sciences Nov 14, 2020
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What is the treatment for MERS-COV?
1 answer 73 views
What is the treatment for MERS-COV?What is the treatment for MERS-COV? ...
by anonymous
asked in Life Sciences Nov 6, 2020
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What is the increase in the risk of respiratory disease after having childhood pneumonia.
1 answer 102 views
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Will DBSCAN always return the same clustering for different orderings of the same dataset?
1 answer 239 views
Will DBSCAN always return the same clustering for different orderings of the same dataset?Assume you apply DBSCAN to the same dataset, but the examples in the dataset are sorted differently. Will DBSCAN always return the same clustering for ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Oct 12, 2020
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What is the best model for inferring facts about the future, given a fixed dataset and computational budget?
0 answers 146 views
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What’s a feature vector?
1 answer 106 views
What’s a feature vector? What’s a feature vector? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Sep 5, 2020
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What percentage of childhood deaths are due to pneumonia?
1 answer 120 views
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What is an adjacency matrix in graph theory?
0 answers 106 views
What is an adjacency matrix in graph theory?What is an adjacency matrix in graph theory? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 13, 2020
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What is end point consolidation with regard to pneumonia diagnosis?
1 answer 117 views
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What cross validation technique would you use on time series data set? Is it k-fold or LOOCV?
1 answer 190 views
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What is going on? Haven’t you trained your model perfectly?
1 answer 171 views
What is going on? Haven’t you trained your model perfectly?You’ve built a random forest model with 10000 trees. You got delighted after getting training error as 0.00. But, the validation error is 34.23. What ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 5, 2020
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Haven’t you trained your model perfectly?
0 answers 100 views
Haven’t you trained your model perfectly?You’re asked to build a random forest model with 10000 trees. During its training, you got training error as 0.00. But, on testing the validation erro ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 28, 2020
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Write an SQL query that makes recommendations using the pages that your friends liked.
0 answers 150 views
Write an SQL query that makes recommendations using the pages that your friends liked.Write an SQL query that makes recommendations using the pages that your friends liked. Assume you have two tables: a two-column table of users and the ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 28, 2020
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How can you handle duplicate values in a dataset for a variable in Python?
0 answers 168 views
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How are NumPy and SciPy related?
0 answers 127 views
How are NumPy and SciPy related?How are NumPy and SciPy related? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 28, 2020
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If a table contains duplicate rows, does a query result display the duplicate values by default? How can you eliminate duplicate rows from a query result?

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How do you handle missing or corrupted data in a dataset?
0 answers 227 views
How do you handle missing or corrupted data in a dataset?How do you handle missing or corrupted data in a dataset? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 27, 2020
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How would you handle an imbalanced dataset?
0 answers 67 views
How would you handle an imbalanced dataset?How would you handle an imbalanced dataset? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 27, 2020
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What cross-validation technique would you use on a time series dataset?
0 answers 157 views
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What is SMOTE used for?
0 answers 49 views
What is SMOTE used for?What is SMOTE used for? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 27, 2020
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What is a confusion matrix?
0 answers 75 views
What is a confusion matrix?What is a confusion matrix? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Jul 27, 2020
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In a dataset, how is the feature matrix related to the response vector?
0 answers 149 views
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What antiviral treatments are used for hepatitis C infection?
0 answers 99 views
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How have the incidence Empyema been reduced?
1 answer 71 views
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When was the Middle East Respiratory Syndrome Coronavirus isolated first?
1 answer 94 views
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How has the childhood population grown in the last two decades (2000 - 2020)?
1 answer 78 views
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How will you remove the duplicate elements from the given list?
1 answer 116 views
How will you remove the duplicate elements from the given list? How will you remove the duplicate elements from the given list? words = ‘one’, ‘one’, ‘two’, ‘three’, ‘three’, ‘two’   ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Jun 26, 2020
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What is the percentage reduction in pneumonia cases due to vaccination?
1 answer 91 views
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Consider the following box and whisker plot:

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Consider the following box and whisker plot:
1 answer 380 views
image
Consider the following box and whisker plot: Consider the following box and whisker plot:   The data set contains a total of nine numbers. The second and third number of the data ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Mathematics Oct 16, 2019
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If the variance of a data set is correctly computed with the formula using n - 1 in the denominator, which of the following is true?
1 answer 9.7K views
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Write a sorting algorithm for a numerical dataset in Python.
0 answers 180 views
Write a sorting algorithm for a numerical dataset in Python. Write a sorting algorithm for a numerical dataset in Python.  ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Data Science & Statistics Mar 11, 2019
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How can you handle duplicate values in a dataset for a variable in Python?
0 answers 151 views
How can you handle duplicate values in a dataset for a variable in Python?How can you handle duplicate values in a dataset for a variable in Python? ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Data Science & Statistics Mar 11, 2019
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Tell us about the biggest data set you have processed till date and for what kind of analysis.
0 answers 110 views
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What makes a dataset gold standard?
1 answer 167 views
What makes a dataset gold standard?What makes a dataset gold standard? ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Data Science & Statistics Mar 11, 2019
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Explain cross-validation.
1 answer 116 views
Explain cross-validation.Explain cross-validation. ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Data Science & Statistics Mar 11, 2019
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Can you explain the difference between a Validation Set and a Test Set?
1 answer 180 views
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What is DC-GENR and where is it expressed?
1 answer 106 views
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