Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Pie đồ thị được sử dụng để đánh giá tỷ lệ bằng cách so sánh dữ liệu các yếu tố như Tỷ lệ phần trăm hoặc Đếm các yếu tố khác đối với dữ liệu và chống lại tổng các yếu tố dữ liệu. | OdSd Pie graphs are used for proportional assessment by comparing data elements as percentages or counts against other data elements and against the sum of the data elements. Displaying data using a pie graph is easy using Epi Info. 1. Read import the file containing the data. 2. Click on the Graph command under the Statistics folder. 3. Under Graph Type select type of graph you would like to create Pie . 4. Under 1st Title 2nd Title write a page title for the pie chart. 5. Select the variable you wish to graph from the X-Axis Main variables dropdown box. 6. Select the value you want to show from the Y-Axis Shown value of dropdown box. Usually you want to show percentages. Then select Count . 7. Click OK and the pie chart will be displayed. Pie charts A pie chart is a simple easily understood chart in which the size of the slices or wedges shows the proportional contribution of each component part.16 Pie charts are useful for showing the proportions of a single variable s frequency distribution. Figure 4.26 shows a simple pie chart of the leading causes of death in 2003 among persons aged 25-34 years. Figure 4.26 Number of Deaths by Cause Among 25-34 Year Olds-United States 2003 Data Source Web-based Injury Statistics Query and Reporting System WISQARS online database Atlanta National Center for Injury Prevention and Control cited 2006 Feb 15 Available from http www.cdc.gov ncipc wisqars. More About Constructing Pie Charts Conventionally pie charts begin at 12 o clock. The wedges should be labeled and arranged from largest to smallest proceeding clockwise although the other or unknown may be last. Shading may be used to distinguish between slices but is not always necessary. Because the eye cannot accurately gauge the area of the slices the chart should indicate what percentage each slice represents either inside or near each slice.__ Displaying Public Health Data This is trial version a 4 www.adultpdf.com Given
