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Data Manipulation

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Databases
2 min read
How to Read a Folder of CSVs in Python Using DuckDB
Explore the power of DuckDB, an efficient open-source analytical database system for processing large datasets. This post delves into reading a folder of CSVs using DuckDB in Python, demonstrating its advantages over traditional methods like Pandas.
5/30/2023Read More
Getting Started
3 min read
How long does it take to learn Python for Data Science in 2023
Learn how long it takes to learn Python for Data Science in 2021. What does it take to be a Data Scientist in 2021?
4/18/2023Read More
DataFrame
1 min read
How to merge two time-series DataFrames with different time intervals
Learn how to merge time-series DataFrames with different frequencies in Pandas using the resample and merge/concat methods.
4/8/2023Read More
Requests
1 min read
How to use requests in Python
Use 'requests' library in python to send HTTP requests and receive response, also pass headers, cookies, json payload in the request
3/5/2023Read More
Advanced
1 min read
How to compute Bitcoin volatility in Python
The yield keyword in Python allows functions to produce a series of values over time, making it efficient for handling large data sets or for producing a series of values for iteration.
2/21/2023Read More
Fundamentals
5 min read
How to do statistics on a DataFrame
Learn how to perform various statistics on a Pandas DataFrame such as mean, median, mode, standard deviation, variance, minimum and maximum, sum, count and more using built-in methods like .mean(), .median(), .std(), .min(), .max(), .sum(), .count(), .describe() etc.
2/17/2023Read More
Getting Started
1 min read
How to slice a Pandas DataFrame
Learn various ways to slice a Pandas DataFrame, including using the .loc[], .iloc[], and [] accessors, boolean indexing and chaining multiple conditions to select specific rows and columns.
2/16/2023Read More
Fundamentals
1 min read
6 ways to efficiently store data in Python
Learn various ways to store data efficiently in Python, including relational databases, NoSQL databases, data serialization, data compression, and data containers like NumPy array and Pandas DataFrame.
2/13/2023Read More
Fundamentals
2 min read
How to read an excel, csv, json file in Python
Learn how to easily read and manipulate data from excel, csv and json formats in Python using popular libraries such as pandas, openpyxl, and json
2/12/2023Read More
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