Dear Mark, Super interesting project! May I schedule a brief call with you sometime this week?
-Cara Foss Arellano On Sat, May 30, 2020 at 12:39 Mark Montgomery < mark.montgom...@stonybrook.edu> wrote: > Let me introduce myself to the group in this way: I am an Economics > professor at Stony Brook University in New York, with a long-time interest > in Indian urbanization. I am also keen to see as much as possible of the > spatial and socioeconomic detail on urbanization placed in the public > domain. Toward that end, colleagues and I have been knitting together the > 2001 and 2011 primary census abstracts (PCAs) that the Indian census > authorities have made available on the census website and incorporating > published data from the District Census Handbooks, all of these at the > level of individual settlements with coverage of wards for the PCAs. Our > aim is to create an integrated and publicly-accessible database based only > on publicly-available sources. As you would know very well, the spatial > side of the task is more challenging for 2001 than 2011. > > At the moment, I seek your guidance on the remarkable DataMeet collection > of polygons for villages, census towns, and statutory urban centers, to > which a number of you have contributed months or even years of effort. I > have linked your spatial records to the PCA identifiers (including > subdistrict and district) and in the process have come across some issues > (mainly concerning the vintages of the maps that were used, and various > oddities regarding identifiers) that some of you may know about. My own > spatial work uses R, but I am happy to share these results with the group > in other spatial formats (for instance, as geojson or geopackage files). > The next steps I have in mind are to compare the DataMeet polygons with the > often-mentioned Meiyappan et al. (2018) polygons that have been publicly > available at the Socioeconomic Data Applications Center (SEDAC) site since > 2018, and with a lesser-known but evidently high-quality collection of 2001 > point coordinates for villages and some hamlets assembled by a University > of Tokyo history professor and available on his website. > > I'm attaching a short pdf that explains these three public-domain sources > (with links to the SEDAC and Univ. of Tokyo sources, and with a critical > review of aspects of those spatial datasets), and which in particular lays > out some of the issues I've encountered with the DataMeet collection. (I've > yet to get to grips with the Karnataka data for 1991, and with the > Rajasthan data that I believe are for 2011 or later.) I would be really > grateful for criticism and suggestions! > > -- > Datameet is a community of Data Science enthusiasts in India. Know more > about us by visiting http://datameet.org > --- > You received this message because you are subscribed to the Google Groups > "datameet" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to datameet+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/datameet/faee6884-40af-448b-9b0e-5b1663613cc3%40googlegroups.com > <https://groups.google.com/d/msgid/datameet/faee6884-40af-448b-9b0e-5b1663613cc3%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Cara Foss Arellano cara.arell...@berkeley.edu Interdisciplinary Studies *Fair Validation for grassroots NGOs * Mobile/WhatsApp: +01(408)393-5646 i...@daanmatch.com -- Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org --- You received this message because you are subscribed to the Google Groups "datameet" group. To unsubscribe from this group and stop receiving emails from it, send an email to datameet+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/datameet/CADeXRE%3D6XCp1VZXMSMCJH-NB%2BG3PpDQxwV-fgK%2BicQ89o5vgjA%40mail.gmail.com.
