Warning Please be cautious when you run the code below, especially when you turn on Places API and use text_search in googlemaps!!! Although requesting Basic Data is free, it could be quite expensiv

Today I recreate and setup a new instance on Aliyun. But installation error occurs again, when I install rJava package in R 3.6.3 on Ubuntu 16.04. Here is the error information: 1234567891011121314151

After printing out sample returned json data, I know the object is supposed to be converted to list of dictionary and then data frame. 12345678910111213141516171819#Process data#Type of object is 

When I import pandas, I get error 1ImportError: Can’t determine version for bottleneck After uninstalling and reinstalling related packags for many times, I manully remove all bottleneck_version file

As a Python beginner, I’m going to complete my first formal research task by Python, getting data from one open databank through API. But token is needed to be provided. So the blog is divided into tw

In paper of Fader and Hardie[1], they review Pareto/NBD framework for counting and forecasting number of customers in period $t$. and propose BGD framework. One of cores in two frameworks is adop