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Chawarat Rotejanaprasert replied to the topic Error in adding ID column in the forum Course Forums 11 hours, 38 minutes ago
Hello all,
The provided R code should work if all data and packages are downloaded properly. I suggest carefully checking the code, including spelling, packages,inputs, and data. If anyone can’t use the function ‘readShapePoly’, there are other functions you can try. Alternatively, you can try the ‘shapefile’ command in the ‘raster’ package.
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Chawarat Rotejanaprasert replied to the topic Installing INLA packages in the forum Course Forums 12 hours, 20 minutes ago
Thank you for your comment, Soe Htike. You’ve raised a good point regarding the R version affecting the installation and functionality of INLA. I might have used a different R version when I prepared the materials, which could explain why I didn’t encounter this issue.
For those experiencing similar issues, the command provided on the INLA web…[Read more]
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Chawarat Rotejanaprasert replied to the topic Sharing WK2: Tips and Tricks for Assignment 2.2 in the forum General Issues 3 weeks, 5 days ago
Hello both,
Thank you for sharing your tips and tricks, Kansiri. Your detailed setup for displaying PV_2015 cases is helpful. I appreciate your creativity in setting dot sizes and background colors. It’s great to see this collaborative spirit in our class. Please continue to share your insights and experiences.
Have a great day!
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Chawarat Rotejanaprasert replied to the topic Teerawat : The Instruction Document of QGIS interface and GIS features Practice in the forum General Issues 3 weeks, 5 days ago
Hi Teerawat, Kansiri, and Nichcha,
Thank you for your feedback. I appreciate your suggestions to improve the QGIS instructions. Teerawat, incorporating bullets and more screenshots is a great idea. Kansiri and Nichcha, adding details on color settings and more visual cues will definitely help. I will work with the team on updating the document to…[Read more]
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Chawarat Rotejanaprasert replied to the topic Sharing: Different QGIS version with different interface in the forum General Issues 3 weeks, 5 days ago
Hi Kansiri and Soe Htike,
Thank you both for sharing your experiences and tips with QGIS! It’s great to see students helping each other navigate different versions of the software. It’s common for software interfaces to change with updates, and your shared solutions are valuable for everyone in the class. I encourage all of you to continue using…[Read more]
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Chawarat Rotejanaprasert replied to the topic Nichcha Subdee: Issues encountered with QGIS in the forum General Issues 1 month ago
Thank you, Nichcha, for sharing your experiences and solutions with the class. Your detailed account of the issues you encountered and how you resolved them would be valuable for your classmates.
To all students, I encourage you to use this forum to share and communicate with each other. Your experiences can help create a supportive and…[Read more]
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Chawarat Rotejanaprasert replied to the topic R code for week 4 in the forum Course Forums 10 months, 3 weeks ago
Hello TMHG 517 class…
It’s truly great to see the collaboration and support you’re providing to one another during this course. I hope that these connections will continue to thrive beyond the classroom.
Regarding the recent change in the INLA system, there is a recent change internally within INLA. Specifically, the marginals of the linear…[Read more]
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Chawarat Rotejanaprasert replied to the topic R code for week 4 in the forum Course Forums 11 months ago
Hi class,
I would like to note that calculating fitted values in INLA can be approached differently based on the specific context. Departing from the class example, you might find it beneficial to explore the utilization of the ‘summary.fixed’ command, which offers an alternative method to determine the fitted values of relative risks. In regard…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment 2.1 in the forum Assignment 11 months, 1 week ago
Hello everyone,
I’m glad to read your comments. Typically, spatial analysis in studies tends to concentrate on communicable diseases which you can see from TMHG549, GIS course. However, I think it would be also valuable to provide an alternative outlook from a view of non-communicable diseases. Despite the varying mode of transmission, the…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment 1.1 in the forum Assignment 12 months ago
Thank you, Chanapong, for your comment. I agree with you that spatial epidemiology’s interdisciplinary approach, which integrates advanced technologies and data from various scientific fields, allows us to gain valuable insights into disease patterns and their spatial context. Your point about considering the impact of location on disease factors…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment 1.1 in the forum Assignment 12 months ago
Thank you all for your contributions to this fruitful discussion! While communicable diseases are widely recognized for their spatial dimension, I also would like to emphasize that place can also serve as a proxy for non-communicable diseases, which we will further explore in this course. Understanding the geographic context and environmental…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment of week 1 in the forum TMHG 517 Statistical methods in spatial epidemiology 2022 12 months ago
Hello both,
Thank you, Farhan, for assisting your fellow classmate. As Farhan mentioned, the R-INLA package is not available on CRAN due to its reliance on external C libraries, making it challenging to build binaries. To install the package, you must use install.packages() while adding the URL of the R-INLA repository.
In section 1.4 of the…[Read more]
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Chawarat Rotejanaprasert replied to the topic General Issues of week 1 in the forum General Issues 1 year ago
Thank you for your feedback on Week 1 of the course. I’m glad to hear that you found it interesting on useful applications and data manipulation helpful. While you don’t have any questions at the moment, it’s great to see your interest in acquiring or creating vector and raster data for future use.
In upcoming modules, we will cover topics…[Read more]
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Chawarat Rotejanaprasert replied to the topic Difficulties in Finding Free GIS Data Sources for Thailand in the forum General Issues 1 year ago
Thank you for raising an important point regarding the availability of spatial health data. You are absolutely correct that it is quite difficult to find public spatial health data, which can involve serious ethical concerns, particularly in terms of patient privacy and confidentiality. As a result, such data is generally challenging to locate in…[Read more]
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Chawarat Rotejanaprasert replied to the topic Experience using GIS in the forum General Issues 1 year ago
Great comment, Zarni. I completely agree with you. GIS is a powerful tool with extensive functionality. It’s however important to recognize that in resource-limited settings, not only Myanmar, data availability and quality can present significant challenges. The “garbage in, garbage out” principle applies to data analysis in any context, not only…[Read more]
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Chawarat Rotejanaprasert replied to the topic Experience using GIS in the forum General Issues 1 year ago
Glad to hear you find GIS interesting and useful. There might be some issues along the ways, please don’t hesitate to ask questions. Embrace the learning journey and enjoy exploring the world of GIS!
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Chawarat Rotejanaprasert replied to the topic I would prefer a video instead of a long PDF in the forum General Issues 1 year, 1 month ago
Thank you for sharing your feedback regarding the course format. I understand that different individuals have varying preferences when it comes to learning mediums. While some prefer video formats, others find value in written materials. Although in the past there have been comments suggesting a preference for written tutorials, I appreciate your…[Read more]
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Chawarat Rotejanaprasert replied to the topic I use ArcGIS before but this is more powerful in the forum QGIS 1 year, 1 month ago
It’s great to hear that you find QGIS to be more powerful, though more complex. Embracing the complexity will undoubtedly provide you with a deeper understanding and mastery of the software… Regarding your preference for video tutorials, I completely understand the value of visual learning resources. However, I want to highlight that in the past t…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment 2.1 in the forum Assignment 1 year, 11 months ago
Thanks Sri Budi Fajariyan for you comments. Alcohol consumption and substance use are much related to mental health which can well lead to suicide… Risk factors of mental health and suicide are generally multi-factorial. I agree economic variables are much related to suicide and depression…. Hope you find the tools you learn in this course are…[Read more]
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Chawarat Rotejanaprasert replied to the topic Assignment 2.1 in the forum Assignment 1 year, 11 months ago
Hello Karina, Thank you for your comments. Economic variables have been to known to relate to suicide. The results on suicide reflect that the culture in Thailand perhaps also has an effect on suicide rates. I agree that spatial analyses such as cluster detection can be applied to this issue which you’ll learn in next week! I just also learned…[Read more]
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