Data Science and Machine Learning Free Recipes

Recipes used by Infosys developers

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How to utilise Pandas dataframe & series for data wrangling?
How to search a value within a Pandas DataFrame row?
How to apply arithmatic operations on a Pandas DataFrame?
How to convert string variables into DateTime variables in Python?
How to do string munging in Pandas?
How to select rows with multiple filters?
How to rename column header of a Pandas DataFrame?
How to format string in a Pandas DataFrame Column?
How to filter in a Pandas DataFrame?
How to get descriptive statistics of a Pandas DataFrame?
How to create a new column based on a condition in Python?
How to introduce LAG time in Python?
How to prepare a machine learning workflow in Python?
How to convert categorical variables into numerical variables in Python?
How to rank a Pandas DataFrame?
How to randomly sample a Pandas DataFrame?
How to create Pivot table using a Pandas DataFrame?
How to Normalise a Pandas DataFrame Column?
How to calculate MOVING AVG in a Pandas DataFrame?
How to deal with missing values in a Pandas DataFrame?
How to map values in a Pandas DataFrame?
How to list unique values in a Pandas DataFrame?
How to JOIN and MERGE Pandas DataFrame?
How to present Hierarchical Data in Pandas?
How to group rows in a Pandas DataFrame?
How to find the largest value in a Pandas DataFrame?
How to drop ROW and COLUMN in a Pandas DataFrame?
How to delete duplicates from a Pandas DataFrame?
How to create crosstabs from a Dictionary in Python?
How to insert a new column based on condition in Python?
How to convert string categorical variables into numerical variables using Label Encoder?
How to convert string categorical variables into numerical variables in Python?
How to preprocess string data within a Pandas DataFrame?
How to do Data Analysis in a Pandas DataFrame?
How to apply functions in a Group in a Pandas DataFrame?
How to deal with an Item in a List in Python?
How to deal with missing values in a Timeseries in Python?
How to encode Days of a week in Python?
How to calculate difference between Dates in Python?
How to split DateTime Data to create multiple feature in Python?
How to standardise IRIS Data in Python?
How to standardise features in Python?
How to rescale features in Python?
How to process categorical features in Python?
One hot Encoding with nominal categorical features in Python?
One hot Encoding with multiple labels in Python?
How to impute missing values with means in Python?
How to deal with outliers in Python?
How to deal with imbalance classes with upsampling in Python?
How to encode ordinal categorical features in Python?
How to find outliers in Python?
How to add and subtract between matrices?
How to Divide each element of a matrix by a numerical value?
How to sort rows within a Pandas DataFrame?
How to save Pandas DataFrame as CSV file?
How to replace multiple values in a Pandas DataFrame?
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