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Practical File- Informatics Practices (Class XII) - insert new column in dataframe python
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Practical File- Informatics Practices (Class XII)
#1 Create a pandas series from a dictionary of values and an ndarray.
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#2. Given a Series, print all the elements that are above the 75th percentile.
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#3 Create a Data Frame quarterly sales where each row contains the item
category, item name, and expenditure. Group the rows by the category, and
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#4. Create a data frame based on ecommerce data and generate descriptive
statistics (mean, median, mode, quartile, and variance).
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#5. Create a data frame for examination result and display row labels, column
labels data types of each column and the dimensions
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How to add an extra column to a NumPy array? To add an extra column to a NumPy array with Python, we can use the append method. We create the array a with np.array. Then we call np.zeroes with the dimensions of the array passed in as a tuple and the data type set as the value of dtype. Then we call append with a and z to append z to a. It returns a new array and we assign that to b.
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