Jingwen Zheng - page 2

Retail is the process of selling consumer goods or services to customers through multiple channels of distribution to earn a profit. Retailers satisfy demand identified through a supply chain. Most modern retailers typically make a variety of strategic level decisions including the type of store, the market to be served, the optimal product asso...

Retail is the process of selling consumer goods or services to customers through multiple channels of distribution to earn a profit. Retailers satisfy demand identified through a supply chain. Most modern retailers typically make a variety of strategic level decisions including the type of store, the market to be served, the optimal product asso...

This blog talks about how to convert projected coordinates to latitude longitude with python module "pyproj".

Île-de-France is the most populous of the 18 regions of France. It is located in the north-central part of the country and often called the Région Parisienne ("Paris Region") because it includes the city of Paris. Besides the landmarks of Paris, the region has many important historic sites, including the Palace of Versailles and the Palace of Fo...

Paris is the capital and most populous city of France. Since the 17th century, Paris has been one of Europe's major centers of finance, diplomacy, commerce, fashion, science, and the arts. All these elements help to bring the increasing price of real estate in Paris. In this blog, I'll talk about the second-hand apartments purchases in Paris bet...

Review of 2020.

This blog talks about how to draw public transport lines with "folium" module in Python.

In this blog, I presented 3 excel functions, `vlookup`, `index`, and `match`, on their usages, syntaxes, applied them in different use cases, and their pro & cons.