Programming Mistakes as  a Data Scientist/Analyst

5

Don't make these

Ignoring Primary Keys

Joining datasets without knowing the level/primary key(s) of data can lead to incorrect results and messy analysis.

Mistake #1

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Failing to address missing data can skew analysis and compromise the reliability of your findings.

Not Handling Missing Data Properly

Mistake #2

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Neglecting data normalization can lead to biased insights and misinterpretation of trends.

Overlooking Data Normalization

Mistake #3

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Overfitting can produce overly optimistic results and make your models ineffective in real-world scenarios.

Overfitting Machine Learning Models

Mistake #4

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Skipping code validation and testing can lead to errors and undermine the credibility of your analysis.

Not Validating & Testing Your Code

Mistake #5

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