Can I use contigency matrix to show the change in different groups for two time periods?

I know the number of pupil of four castes in 2016,2017. So,can I use the contigency matrix to make comparison.

08 September 2018 3,939 0 View

Which is the appropriate method for determining sample?

05 June 2017 5,711 7 View

How can we reduce the difference between two radiance value of a point for two landsat scence?

I have converted the DN value into radiance value of band 4 of 2001 and 2011. When I compare the radiance value between the the band of two time period it shows a difference. For example a pixel...

11 December 2016 6,908 8 View

Will anyone inform me that Academia Journal of Environmental science a predatory journal or not?

09 October 2016 9,889 0 View

Is the Landsat Images of USGS geometrically corrected? What is orthorectification?

I want to apply spectral mixture analysis method for estimating impervious surface. So, I have downloaded a Landsat Image from USGS earth explorer. When I add a shapefile and the image in...

05 June 2016 4,658 16 View

Will anyone suggest my any Remote sensing and GIS based research topics?

I have completed my BSc. in Geography and Environment under Physical science. Now I am starting my MSc in Geography and Environment. Will anyone suggest me any recent research topic related with...

03 April 2016 7,329 6 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Are we using now IT technology effectively?

I discover now two my papers, which are more then 30 years old and which are describing something, what was done in years 1985 -...

21 February 2021 5,008 3 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

Nuances in the digital twin concept. Opinions?

Hello everyone, I am currently working on the state of the art of the digital twin concept, and after seeing the categorization made by Kritzinger, W. et al. (2018) [Digital Twin in...

14 February 2021 2,107 3 View

Is there research limitation on the relationships between digital capabilities, market orientation, brand perception and business performance?

I am looking for supporting studies discussing literature limitations on the relationships between digital capabilities, market orientation, brand perception and business performance. Also, a...

14 February 2021 7,457 5 View