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Data Science Interview Challenge
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Data Science Interview Challenge

Data Science Interview Challenge

1. Python
IntroductionChallenge 1: List ComprehensionChallenge 2: String ManipulationChallenge 3: Dictionary ManipulationChallenge 4: Nested LoopsChallenge 5: ClassesTheoretical Questions
2. NumPy
Challenge 1: Array CreationChallenge 2: Array ManipulationChallenge 3: Statistical InsightsChallenge 4: Handling Missing ValuesChallenge 5: Subarray SortingTheoretical Questions
3. Pandas
Challenge 1: DataFrame CreationChallenge 2: Data GroupingChallenge 3: Indexing and MultiIndexingChallenge 4: Altering DataFrameChallenge 5: Iterating Over DataTheoretical Questions
4. Matplotlib
Challenge 1: Fundamentals of PlottingChallenge 2: Other Graph TypesChallenge 3: SubplotsChallenge 4: Customizing PlotsChallenge 5: Adding Text to PlotsTheoretical Questions
5. Seaborn
Challenge 1: Visualizing DistributionsChallenge 2: Exploring Categorical DataChallenge 3: Relational PlotsChallenge 4: Regression PlotsChallenge 5: Matrix PlotsTheoretical Questions
6. Statistics
Challenge 1: Probabilities and DistributionsChallenge 2: Bayes' TheoremChallenge 3: Hypothesis TestingChallenge 4: Confidence IntervalsChallenge 5: CorrelationTheoretical Questions
7. Scikit-learn
Challenge 1: Data ScalingChallenge 2: Basic Model CreationChallenge 3: PipelinesChallenge 4: Cross-validationChallenge 5: Hyperparameter TuningTheoretical Questions

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Challenge 3: Statistical Insights

Gleaning insights from your data often involves statistical analysis. NumPy shines here with its:

  • Rich Set of Functions: From means and medians to variances and percentiles, NumPy has it covered.
  • Performance: NumPy's statistical functions are optimized, making them notably fast on large datasets.
  • Reliability: The library's tried and tested functions ensure consistent and accurate results.

Harnessing NumPy's statistical tools can empower you to extract meaningful patterns and insights from your data, which is a pivotal step in many data science projects.

Opgave

Swipe to start coding

Numpy provides functions to obtain insights about data.

  1. Compute the mean of the data.
  2. Get the standard deviation of the data.
  3. Identify the value in the array that is nearest to the mean value of the array.

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 2. Kapitel 3
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book
Challenge 3: Statistical Insights

Gleaning insights from your data often involves statistical analysis. NumPy shines here with its:

  • Rich Set of Functions: From means and medians to variances and percentiles, NumPy has it covered.
  • Performance: NumPy's statistical functions are optimized, making them notably fast on large datasets.
  • Reliability: The library's tried and tested functions ensure consistent and accurate results.

Harnessing NumPy's statistical tools can empower you to extract meaningful patterns and insights from your data, which is a pivotal step in many data science projects.

Opgave

Swipe to start coding

Numpy provides functions to obtain insights about data.

  1. Compute the mean of the data.
  2. Get the standard deviation of the data.
  3. Identify the value in the array that is nearest to the mean value of the array.

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 2. Kapitel 3
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
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