新西兰化学论文代写:研究数据收集与处理

新西兰化学论文代写:研究数据收集与处理

对于像STREAM这样的数据收集工具,数据收集的主要过程是通过Yahoo上给定的股票价格数据库。这个过程如下:

首先,对我国上市公司50强名单进行了相关研究

雅虎财经,所有的上市公司都是实时的,因此所有的数据都是从雅虎财经数据库中收集的

这个时间设置为过去5年,因此可以获得大多数在华上市公司的最大数据

csv格式的所有数据都已下载

然后根据论文目标的需要对数据进行整理



新西兰化学论文代写 :研究数据收集与处理

以上数据主要取自2011年至2016年,目的是为了从雅虎财经数据库中获取最新的股票数据。这些数据足够做这个分析,因为这些数据来自不同的行业,每家公司在过去几年都进行了IPO。另一组数据是通过各种研究来了解公司治理对杠杆效应的影响。研究这些数据的对象是那些因欺诈问题而股价大幅下跌或从纳斯达克交易所退市的公司。


新西兰化学论文代写 :研究数据收集与处理

As far as concerned about the data collection tool like STREAM, the main process for data collection was through the given stock price database on Yahoo. This process was followed as:
First of all, list of Chinese top 50 listed companies was gathered related the thesis objective
Yahoo Finance, has all listed companies in real time, hence all data were gathered from yahoo finance database
The time was set for last 5 years so can get maximum data for most of companies listed in China
All data in form of .csv was downloaded
The data was sorted out then as per the need of thesis objective


新西兰化学论文代写 :研究数据收集与处理

The above data was taken mainly from 2011 to 2016 in order to get the latest stock data from the yahoo finance database. This data is enough to do this analysis as this data is from various industries with each company has gone for IPO in last few years. The other data is studied through various researches to understand the impact of corporate governance on the leverage effect. This data is studied for the companies whose stock has declined to great extent or removed from the NASDAQ exchange because of fraudulent issues.

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