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Stata spmap label

Search everywhere only in this topic. Advanced Search. Classic List Threaded. Alex Olssen. Hi everyone, I'm using spmap in Stata The coloring of my map needs explanation. As such I label the legend. When I do this the legend count disappears - the legend count works if I run the same code without the legend label.

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Scott Merryman. Re: st: Labelling the legend removes the legend count in spmap. It is because the legend count if part of the label - so when you relabel the legend the legend count is over written. You will need to count the areas before -spmap- store the count number, and then add the count to legend label: Also keep in mind that -spmap- counts polygons and not states or geopolitical areas. For example Michigan is made up of mulitple polygons which will cause the legend count to be greater than the total number of states.

In reply to this post by Alex Olssen. The count of polygons is exactly what I want - as each polygon represent a very small but complete geographical unit. I have run several graphs and it would be far more efficient if I could make reference to a stored scalar in my code for the legend label as opposed to manually adding the count number to each label separately. RE: st: Labelling the legend removes the legend count in spmap.

Hi Scott, Thanks very much! That seems like exactly what I want.Why Stata? Supported platforms. Stata Press books Books on Stata Books on statistics. Policy Contact.

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Bookstore Stata Journal Stata News. Contact us Hours of operation. Advanced search. This FAQ explains how to use spmap. The process is as follows:. A map records the geometry and attribute information of spatial features. Those maps are available from public and private sources. You can use maps recorded in either of two formats:. Say that you want to find a map of the United States. Using a search engine such as Google or Yahoo!

The U. We would have translated MapInfo files the same way, but we would have used the command mif2dta instead of shp2dta. In any case, the translation has created two new. We want to graph population by state, and we have a dataset named stats.

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In our dataset, we have states recorded using a different coding, and the identification variable is called scode. To achieve our goal, we made an intermediate dataset called trans. Each observation records equivalent codes. When we created trans. We discovered that the map dataset contained information about not only U.

We will just ignore that extra information. Our trans. We now must merge stats.

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This merge is based on the id variable:. Because our map includes locations not included in our original data, namely, territories as well as states, there will be observations in usdb. By default, a choropleth graph is drawn unless you specify the area option.Palettes s2s1s1reconomistand mono contain colors used for p1 to p15 in official Stata's schemes files. The palettes look as follows:. Palettes cblindplottig, mrctflburdand lean provide colors found in various user-contributed scheme files.

Use options n number of colorshue range of hueschromaand luminance to determine how the colors are generated. The following example illustrates how the colors change depending on n :. Note that hue with default options produces the same colors as hcl, intense. The implementation is based on R 's colorspace package.

st: Labelling the legend removes the legend count in spmap

Also see hclwizard. Three types of color schemes — qualitative, sequential, and diverging — are supported. See the help file of colorpalette for details on how the colors are computed. For each type a number of presets are provided. Use options huechromaluminanceand power to modify the presets.

stata spmap label

The hsv palette is similar to the hcl palette, but the colors are generated in the HSV color space Hue-Saturation-Value. See the help file of colorpalette for details. The presets look as follows:.

A powerful color generator is also provided via the ipolate option. The procedure is to select a start color and an end color, and perhaps some intermediate colors, and then apply interpolation to generate a color scale.

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Several suboptions to select the interpolation space, to set the positions of the origin colors, or to affect the shape of the transition between the colors are available; see the help file of colorpalette for details. Some examples are as follow:.

The ColorBrewer collection is a set of color schemes developed by Cynthia Brewer and provided at colorbrewer2. The colors are licensed under Apache License Version 2. The color schemes look as follows:.

For the sequential and diverging schemes, the colors depend on the size of the palette.

Stata:空间计量之用 spmap 绘制地图

For example, here are the 5-color versions of the diverging schemes:. The viridis collection provides perceptually uniform colormaps from matplotliba Python 2D plotting library.Most charts and maps on this site were created with the Stata statistical software package. This guide explains how maps like those with adult and youth literacy rates in can be created with Stata. The article supersedes an earlier version from and introduces updated maps with current country borders.

For example, South Sudan, which seceded from Sudan inis shown as a separate country on the new maps.

The instructions below are for Stata version 9 or later. Users of Stata 8 are referred to the guide from The creation of maps is not supported in older versions of Stata. Figure 1: Length of country names small scale map, default style Click image to enlarge. Figure 2: Length of country names small scale map, blue palette Click image to enlarge.

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Alternative maps with more detail The shapefile that was used for Figures 1 and 2 was designed for small maps. It contains the borders for countries and territories and does not include smaller geographic units like Hong Kong, Monaco, or St. Vincent and the Grenadines. As an alternative to the small scale map in Figures 1 and 2, Natural Earth offers shapefiles with more detail that were designed for larger maps.

Figure 3: Length of country names medium scale map Click image to enlarge. Figure 4: Length of country names large scale map Click image to enlarge. You can use a shapefile that only has European countries. A Google search turns up several free shapefiles for Europe. Cheers for the tutorial. I have the somewhat of the same problem. When using the world map "10m-admincountries" and entering a couple of countries spmap crops itself on minimal size as it did, when you excluded the "Antarctica".

However, countries like "France" make the map grow global, because all the old collonies are included.

It is possible to focus on a specific area with the plotregion margin option.University of Milano Bicocca - Italy. More about this item Keywords maps ; thematic ; spatial data ; choropleth ; Statistics Access and download statistics Corrections All material on this site has been provided by the respective publishers and authors.

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Renaming Variables, Dropping Variables or Cases, and Sorting in Stata

Proper specification of spmap options and suboptions, combined with the availability of properly formatted spatial data, allows the user to draw several kinds of maps, including choropleth maps, proportional symbol maps, pin maps, pie chart maps, and noncontiguous area cartograms. Maurizio Pisati, Handle: RePEc:boc:bocode:s as.

More about this item Keywords maps ; thematic ; spatial data ; choropleth ; Statistics Access and download statistics.

stata spmap label

Corrections All material on this site has been provided by the respective publishers and authors. Louis Fed. Help us Corrections Found an error or omission? RePEc uses bibliographic data supplied by the respective publishers.Login or Register Log in with. Forums FAQ. Search in titles only. Posts Latest Activity. Page of 1. Filtered by:. Ivano Scandurra. Tags: None.

Scott Merryman. To remove the mathematical notation for value intervals use the legstyle option 2: Code:. Comment Post Cancel. Thanks Scott, it works. I still have problem to display the label of the regional units in the map. Should I use the option label? I have the label of regional units in string variable in my data but when I use label data Labels x xcoord y ycoord it does not work.

It is hard to say what the difficulty is without your data or exactly what you typed, however, using the sample data set it is straightforward to produce area labels: Code:. I tried this option but I think what I do not specifiy correctly are the variable of my x and y coordinates. Then I have got my database merged with my variable of interest and area, perimeter, hape area and shape lenght of the county.

If I use them, labels appear but very far from the point. I attach my data and syntax if somebody can help with that. A couple points: 1. You did not request the centroid you use called shp2dta 2.Login or Register Log in with. Forums FAQ.

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Filtered by:. Man Yang. How to add state names and labels using -spmap-? Hi all, I am trying to plot a U. So far I was able to get a map like the following: Code:. Tags: None. Scott Merryman. You can use the by suboption with the label option. You will need to first create a data set with the text and data values you wish to use as labels.

For example: Code:. Comment Post Cancel. Hi Scott, thanks for your reply. Where can I find the xcoor and ycoor? In the dataset that I used to plot the map, there is no variables such as xcoor or ycoor, could you let me know where did you get these?

Are they from the uscoord file? I guess I assumed the files that contained the boundary data also had the centroids. Thanks Scott, that helps. Linh Nguyen. Hi everyone and Scott MerrymanRobert Picard Do you know how I can move the name of states in the top-left corner of 4 e.

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Last edited by Linh Nguyen ; 08 Sep Robert Picard. See this thread from a few months ago. Thanks Robert. Mo Kamar. I would greatly appreciate any help.

stata spmap label

Best, M. David Radwin. Try removing the space between "string" and the first parenthesis. Originally posted by David Radwin View Post. Rahmat Gani. Robert Picard can you help me?


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