data consistency, completeness and cleaning - The INCLEN Trust

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Checking for Invalid Character Values….(3)• The 2 and the X are inappropriate values.• f depending on the situation, it could be consideredan error or notGENDER2 1Occur onceF 300M 440X 1Occur oncef 3Missing values 5Frequency

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Checking for Invalid Character Values….(2)• Three categories do not fit with our data valueGENDERFrequency2 1F 300M 440X 1f 3Missing values 5

Page 8 and 9: Another Approach:Using Frequencies
Page 12 and 13: Correcting Invalid Character Values
Page 14 and 15: Checking for Invalid Numeric Values
Page 16 and 17: Dates: Hospitalization…..(2)• W
Page 18: ACKNOWLEDGEMENTWe thank• Prof. Do

data consistency, completeness and cleaning - The INCLEN Trust

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