pca analysis in excel

This article mainly introduces how to use PHPExcel to operate Excel. Examples of common skills such as using PHPExcel to read, write, and generate are analyzed, which is of great practical value, for more information, see the examples in this article. Share it with you for your reference. The specific analysis is as follows: PHPExcel:Http://www.codeplex.com/PHPExcelHttp://www.phpexcel.netThe Tests Director

1. Create tables in access as required, not limited to access, but also other data sources; 2. Open Excel and select the pivot table; 3. Select an external data source; 4. select new data source and fill in the data source link information. In this example, select the Access Table fact created just now; 5. In the query design wizard, select all fact columns; 6. Go to the "finish" Page and select "create OLAP multi-dimensional dataset;

Csng Single Cstr String Cvar Variant Instance:Sub type conversion ()Dim funds as DoubleFunds = 80.42454Msgbox "Type:" TypeName (Funds) "value:" Funds ' TypeName () for identifying data typesMsgbox "Type:" TypeName (CBool (funds)) "Value:" CBool (Funds)Msgbox "Type:" TypeName (CByte (funds)) "Value:" cbyte (funds)End Sub2.3 VariablesInstance:Sub Display user name ()user_name = Application.inputbox ("Please ente

In this article, we describe how to use Excel to quickly statistical results and analyze the results of the distribution of methods and procedures. 　　Preparing data Enter the necessary data, the worksheet is named "Total Table", with the political score (out of 100) in column D, for example, in cell E1~i1, below 60 (poor), 60 points and above (pass), 60-79 (Medium), 80-89 (good), 90 above (excellent). Then enter the following formula in cell E2~i2:

Assuming that two factors work together on a single result, it is necessary to cross-examine it to analyze the extent of their impact on the results.Case: The impact on sales is determined by the location of the store and the form of advertising promotion.Using variance analysisAnalysis resultsThe F value of the row is 202>>3.2, and the column's F value is 9.34>3.49. The explanation area is the main factor which affects the sales, the promotion form is the secondary factor.Double-factor variance