Lecture Note
University
University of California San DiegoCourse
DSC 10 | Principles of Data SciencePages
1
Academic year
2023
anon
Views
35
p {margin: 0; padding: 0;} .ft00{font-size:20px;font-family:TimesNewRomanPS;color:#000000;} .ft01{font-size:18px;font-family:TimesNewRomanPSMT;color:#000000;} .ft02{font-size:18px;line-height:23px;font-family:TimesNewRomanPSMT;color:#000000;} Analyze Data To build a model from the input data and produce output data is the aim of data analysis.Depending on the issue, different analytical methods can be utilized, such as classification,regression, clustering, association analysis, and graph analysis. By using graph analysis, you can seek for patterns, trends, and anomalies by looking at thestructure of the graph that represents your data. For instance, in the case of a social network,you can examine the connections between entities and pinpoint the most important people ororganizations. Graph analytics can also aid in the detection of security concerns by keepingtrack of communication patterns, such as the dissemination of malware or the exchange ofinformation between people. It's crucial to assess your model's performance after you've built it and chosen an analyticmethod. To assess the model's accuracy for classification and regression, you can make acomparison between the expected and actual results. You should look at the groups that areproduced after clustering to see if they make sense for your application. When usingassociation analysis, you should look into the outcomes to determine whether the associationsthat the rules have identified are significant and practical for your requirements. In order toanalyze a graph, you should look at the graph's structure and for patterns and trends that arepertinent to your issue. Predicting the classification of the input data, such as the weather or the cancerousness of atumor, is the goal of classification. When attempting to forecast a numerical value, such asstock prices or test results, regression is used. Similar things are grouped together throughclustering, such as when clients are divided into different market categories. Association research reveals connections between things or occasions, helping us tocomprehend consumer purchase patterns. When the data contains several items andrelationships between them, such as when examining the spread of a disease or maximizingmobile communication network traffic, graph analysis is utilized. The input data is split into two sections—one for building the model and the other forvalidating it—in order to build and validate it. Depending on the analysis method employed,the model evaluation may involve comparing the actual output to the output predicted by themodel or reviewing the outcomes to determine whether they are accurate. Conclusion In order to understand your data and derive valuable insights, data analysis is a crucial step.There are a variety of analytical methods available, each having advantages anddisadvantages. It's crucial to choose the best technique for your issue, build your model, thenassess how well it works. With the proper methodology, you may find hidden links andpatterns in your data and get insightful knowledge that will help you make smart decisionsand achieve success.
Data Analysis: Exploring Methods and Techniques
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