python 传不定量参数The first quantitative class for vanilla finance and quantitative finance majors alike has to do with the time value of money. Essentially, it’s a semester-long course driving notions like $100 today is worth more than $100 a year from …
I have drawn some Graphics in a JPanel, like circles, rectangles, etc.But I want to draw some Graphics rotated a specific degree amount, like a rotated ellipse. What should I do?解决方案If you are using plain Graphics, cast to Graphics2D first:Graphics2D …
贝叶斯 朴素贝叶斯介绍 (Introduction) Bayesian analysis offers the possibility to get more insights from your data compared to the pure frequentist approach. In this post, I will walk you through a real life example of how a Bayesian analysis can be perform…
构建图像金字塔Authors: Jenny Huang, Ian Hunt-Isaak, William Palmer作者: 黄珍妮 , 伊恩亨特伊萨克 , 威廉帕尔默 GitHub RepoGitHub回购 介绍 (Introduction) Training an image segmentation model on new images can be daunting, es…
1、连接mongodb默认端口是:27017,因此我们连接mongodb:$mongodb new Mongo(localhost) 或者指定IP与端口 $mongodb new Mongo(192.168.127.1:27017) 端口可改变若mongodb开启认证,即--auth,则连接为: $mongodb new …
GitHub Actions can be a little confusing if you’re new to DevOps and the CI/CD world, so in this article, we’re going to explore some features and see what we can do using the tool.如果您是DevOps和CI / CD领域的新手,那么GitHub Actions可能会使您…
认识数据分析Visualization often plays a minimal role in the data science and model-building process, yet Tukey, the creator of Exploratory Data Analysis, specifically advocated for the heavy use of visualization to address the limitations of numerical indi…
导读-- DNS(Domain Name System,域名系统)是一种组织成层次结构的分布式数据库,里面包含有从DNS域名到各种数据类型(如IP地址)的映射“贵有恒,何必三更起五更勤;最无益,只怕一日曝十日寒。”前一段时间巴哥因为一些生活琐事而中止…
arima模型怎么拟合什么是ARIMA? (What is ARIMA?) ARIMA models are one of the most classic and most widely used statistical forecasting techniques when dealing with univariate time series. It basically uses the lag values and lagged forecast error…