choropleth

简明释义

英[ˈkɔːrəˌplɛθ]美[ˈkɔrəˌplɛθ]

n. 等值线图

英英释义

单词用法

同义词

反义词

例句

1.Three common quantitative thematic maps are choropleth maps, dot maps and proportional symbol maps.

面量图、点子图及比例符号图中三种最常见的定量专题地图。

2.Three common quantitative thematic maps are choropleth maps, dot maps and proportional symbol maps.

面量图、点子图及比例符号图中三种最常见的定量专题地图。

3.Special maps called choropleth maps use map color to represent statistical data.

叫做等值线图的特殊地图使用地图的颜色来表示统计数据。

4.The researcher created a choropleth map to visualize the population density across different regions.

研究人员创建了一个分级图，以可视化不同地区的人口密度。

5.Using a choropleth can help identify areas with high unemployment rates.

使用分级图可以帮助识别失业率高的地区。

6.The choropleth displayed the voting patterns by state in the last election.

该分级图显示了上次选举中各州的投票模式。

7.In our presentation, we included a choropleth to illustrate the spread of the disease over time.

在我们的演示中，我们包含了一个分级图来说明疾病随时间的传播。

8.The government used a choropleth to map out areas most affected by the drought.

政府使用分级图来绘制受干旱影响最严重的地区。

作文

In today's data-driven world, the ability to visualize information effectively is crucial. One powerful method of visualization is the use of a choropleth map. A choropleth is a type of map where areas are shaded or patterned in proportion to the value of a variable being represented. This technique allows viewers to quickly grasp complex information and identify trends across different geographical regions. For instance, a choropleth map can illustrate population density, income levels, or even election results across various states or countries. The significance of a choropleth lies in its ability to convey large amounts of data in an easily digestible format. By using color gradients or varying patterns, it provides a visual representation that can highlight disparities and correlations that might not be immediately apparent from raw data. For example, a choropleth showing unemployment rates can reveal which regions are thriving economically and which are struggling, thus prompting discussions on policy and resource allocation. Creating an effective choropleth requires careful consideration of several factors. First, the choice of color scheme is vital; colors should be distinct enough to allow for differentiation but also harmonious to avoid overwhelming the viewer. Additionally, the data classification method must be chosen wisely. Common approaches include equal intervals, quantiles, and natural breaks, each offering different insights depending on the data distribution. Moreover, it is essential to consider the audience when designing a choropleth. What message do you want to convey? Who will be interpreting the map? Tailoring the visualization to the audience's needs can enhance understanding and engagement. For instance, a choropleth aimed at policymakers might emphasize specific areas of concern, while one directed at the general public could focus on more relatable data points. Despite its advantages, the use of choropleth maps is not without challenges. Misinterpretation can occur if the map is not designed thoughtfully. For example, if a choropleth uses a misleading color gradient or fails to provide context, it can lead to incorrect conclusions about the data being presented. Additionally, the scale of the map can distort perceptions; a small area with a high percentage may appear more significant than a larger area with a lower percentage, leading viewers to misjudge the importance of the data. In conclusion, the choropleth is a powerful tool for data visualization that, when used correctly, can illuminate complex information and foster informed decision-making. As our society continues to generate vast amounts of data, mastering the art of creating effective choropleth maps will become increasingly important. Understanding how to leverage this visualization technique can empower individuals and organizations to communicate their findings clearly and persuasively, ultimately driving progress and innovation in various fields, from public health to urban planning. Therefore, embracing the choropleth as a core component of data presentation is not just beneficial; it is essential for anyone looking to make an impact in today's information-rich landscape.

在当今数据驱动的世界中，有效地可视化信息至关重要。一种强大的可视化方法是使用choropleth地图。choropleth是一种地图，其中区域根据所表示变量的值进行着色或图案化。这种技术使观众能够迅速理解复杂的信息，并识别不同地理区域之间的趋势。例如，choropleth地图可以展示各州或国家的人口密度、收入水平，甚至选举结果。 choropleth的重要性在于它能够以易于消化的格式传达大量数据。通过使用颜色渐变或不同的图案，它提供了一种视觉表现，能够突出差异和相关性，这些在原始数据中可能并不明显。例如，显示失业率的choropleth可以揭示哪些地区经济繁荣，哪些地区挣扎，从而引发有关政策和资源分配的讨论。 创建有效的choropleth需要仔细考虑几个因素。首先，颜色方案的选择至关重要；颜色应该足够独特，以便于区分，但也要和谐，以避免使观众感到不知所措。此外，数据分类方法必须明智选择。常见的方法包括等间隔、分位数和自然断点，每种方法都根据数据分布提供不同的见解。 此外，在设计choropleth时考虑受众也是至关重要的。您想传达什么信息？谁将解释这张地图？根据受众的需求量身定制可视化可以增强理解和参与。例如，面向政策制定者的choropleth可能会强调特定关注领域，而面向公众的地图则可能更关注更易于理解的数据点。 尽管有其优势，但使用choropleth地图也面临挑战。如果地图没有经过深思熟虑的设计，可能会导致误解。例如，如果choropleth使用误导性的颜色渐变或未能提供上下文，可能会导致对所呈现数据的错误结论。此外，地图的比例可能会扭曲感知；一个小区域的高百分比可能看起来比一个大区域的低百分比更重要，从而导致观众误判数据的重要性。 总之，choropleth是一种强大的数据可视化工具，当正确使用时，可以揭示复杂的信息并促进知情决策。随着我们的社会继续生成大量数据，掌握创建有效choropleth地图的艺术将变得越来越重要。理解如何利用这一可视化技术可以使个人和组织能够清晰而有说服力地传达他们的发现，最终推动各个领域的进步和创新，从公共卫生到城市规划。因此，将choropleth作为数据展示的核心组成部分，不仅是有益的；在当今信息丰富的环境中，对于任何希望产生影响的人来说都是必不可少的。