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A data analyst is a highly trained individual that specializes in collecting, organizing, and analyzing data from various resources. For example, the data may be obtained from secondary source documents such as statistical studies, or from direct consumer marketing surveys. In terms of analysis, the data analyst generally uses data management and reporting systems to collect and organize specific data drawn from relational databases. While this process is largely automated, it must first be initiated by developing mathematical computations and collection protocols in order to extract and extrapolate data into meaningful statistical analysis or “what if” scenarios.
Although the primary tasks of this position are compilation and analysis of numerical information, a data analyst often takes on other roles. For one thing, he or she is expected to possess a certain degree of technical expertise with automatic data collection and reporting systems, including a capacity for program troubleshooting and system security measures. Depending on the nature of the data being collected and analyzed, the individual may also be required to be familiar with procedural standards and regulations specific to a particular area of research, industry, or market. In addition, data analysts often engage in making projections regarding future trends based on current economic and/or market conditions. In some cases, the data analyst may be involved the research phase of a project by participating in the design and implementation of relevant studies and surveys. |
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全文完：内陆自驾游记 - 从天文之都Coonabarabran到Opal宝石镇Lightning Ridge（内附温泉小镇Moree攻略） (2018-10-11) 天朝屁民 
发表于 2012-11-20 12:14
