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SpaceStat 4—空間計量模型軟件

軟件試用 獲取報價

軟件簡介

SpaceStat它具備了空間技術統計和空間計量經濟的有關功能。SpaceStat提了spatiotemporal和統計工具，包括:探索性空間數據分析(exploratory spatial data analysis);空間計量分析(spatial econometric analyses)和空間權重集和變異函數模型的建立(the creation of spatial weights sets and variogram models)。單獨使用SpaceStat或配合Esri的ArcGIS一起使用可以大幅擴展您的GIS分析功能。

軟件特點

SpaceStat有以下幾大特點：

回歸工具
SpaceStat的aspatial回歸工具(aspatial regression tools)，包括線性，泊松(Poisson)和logistic回歸，允許您在一個軟件包包進行從時空數據探索(spatio-temporal data exploration)到模型構建的操作。除了回歸工具的這些"簡單"形式，SpaceStat還允許你使用模型構建工具，如最佳子集，向前和向后逐步回歸。所有這些工具都可以應用到數據集，包括多次(multiple times)，它允許你快速評估模型的擬合和其他參數如何隨時間而改變。

改善的差異統計(Disparity Statistics)
SpaceStat讓您在四種不同的方式為您的數據：從一個點或多邊形的地理聚集改變空間的支持不同的點或多邊形地理，或從點到多邊形，反之亦然。

導入Microsoft Office Excel文件數據
為了簡化導入數據的過程，我們現在提供了直接從Microsoft Office Excel導入數據的選項。您可以使用此選項引入一個新的 point geography，或添加數據集到到您SpaceStat項目中的現有的地域(geographies )。

復制圖形，地圖和表格到剪切板
地圖/圖形菜單現在包括一個選項,復制一個給定的圖形或地圖映射到剪貼板，以便您可以將其粘貼到文字處理或演示文件中（例如，Microsoft PowerPoint），可以在不同的軟件程序中打開。您可以使用Edit菜單上的復制選項來對表格執行類似的功能，直接復制表格到Microsoft Excel表格中。

SpaceStat 和 ArcGIS 性能對比

英文概述

SpaceStat Overview——
StaceStat allows you to view the data in your project, display these data in maps and graphs, and to perform statistics to evaluate spatial patterns. What makes this software unique is that it is a space-time information system. In StaceStat, time is a dimension of the data, rather than an attribute linked to each object in the dataset. Thus, almost all views of the data can be animated, from maps to histograms to tables. But, StaceStat does more than just animate your data, it allows you to make statistical inferences about patterns in the data as well. StaceStat allows you to view, interact with and statistically analyze your space-time data so that you can make informed decisions.

Over the past year, we have added powerful new tools for manipulating data and performing statistical analyses, including several which are not available in any other software package. In addition, we have improved data import by adding the option to import geographies or attribute data directly from Microsoft Office Excel files, and made it easy to copy graphs or maps from SpaceStat and paste them into other programs. Here we provide an overview of the features we have availble in SpaceStat.

Regression tools——
Although certainly not unique to SpaceStat, aspatial regression tools, including linear, Poisson, and logistic regression allow you to go from spatio-temporal data exploration to model building within one software package. In addition to the "simple" forms of these regression tools, SpaceStat also allows you to use model building tools such as best subset, and forward and backward stepwise regression. All of these tools can be applied to datasets that encompass multiple times, which allows you to quickly evaluate how model fit and other parameters change over time.

In SpaceStat, you can also perform geographically-weighted regression (local, rather than global regression analyses); as with aspatial regression, your GWR models can have a linear, Poisson, or logistic form.

Using SpaceStat, you can not only build both spatial and aspatial models, you can run models developed using one method (i.e., as an aspatial linear model) in another form (i.e., aspatial Poisson, or linear GWR), and use our wealth of data exploration tools to explore how this change in tools influences the results of your analysis over all of the time periods in your datasets.

Improved Disparity Statistics——
Following the publication of advances in quantifying health disparities by Goovaerts et al. (2007), we are the first to make these advances available in a software package.

New ways to Aggregate Data/Change your Spatial Data Support——
SpaceStat allows you to aggregate (change the spatial support) for your data in four different ways: from a point or polygon geography to a different point or polygon geography, or from points to polygons and vice versa.

Import data as Microsoft Office Excel files——
To simplify the process of importing data, we now provide the option of importing data directly from Microsoft Office Excel. You can use this option to bring in a new point geography, or to add datasets to existing geographies in your SpaceStat project.

Copy Graphs, Maps, and Tables to the Clipboard——
The Map/Graph menus now include an option to copy an image of a given graph or map to the clipboard so that you can paste the image into word processing or presentation (e.g., Microsoft Powerpoint) files open in different software programs. You can perform a similar function with the copy option in the Edit menu for tables, and copy tabular information directly into Microsoft Excel.