Any suggestion on the methodology for Soil depth and ph mapping using machine learning ?

Hello, Please, I need your opinion. I want to map the depth of 20,000 hectares of land. I have sampling points of 20,000 with their respective depth attributes and photos of the topsoil(less than...

31 December 2020 4,325 3 View

What is the status of malaria vaccine?

Malaria is the highest killer disease in Africa, yet no vaccine has been developed against it. Any hope in sight?

05 October 2020 5,670 7 View

I tried to run Ligplot+ version 2.2 for the first time on ubuntu 16.04 but it always report error: error writing parameter file. Can you help?

I downloaded a components.cif file and filled the location of my .pdb files as shown in the picture below. It still showed error. The program usually opens but doesn't display the pdb files I want...

25 May 2020 8,509 2 View

I tried metawin unfortunately I couldn't get much help on how to code studies. Does anyone know a good free package for correlation meta analysis?

By the way I also need advice on which correlations to extract from factor studies ( exploratory, confirmatory, & SEM PLS) for meta analysis?

16 March 2020 7,217 3 View

Who was DIMU in the history of Egypt? How is it linked to Kadimu of Siaya County, kenya?

there is a name called Kadimu bay in Siaya, kenya. However, there is also a historical figure called Dimu who seems to be related to the Luo. What is the link between the Egypt Dimu and the Kenya...

29 January 2020 5,176 1 View

Can one conduct a meta analysis on previous meta analyses?

When meta analyses on the same topic yield different results with no consensus, can one conduct a meta analysis on the Meta analytic studies?

19 December 2019 6,113 4 View

Is it possible to run mediation for a panel data?

I intend to run a sequential mediation for a study but am at a lost as to my data. My search shows process macro is not for panel data, but my data is panel. can i be assisted in running a...

28 May 2019 8,256 20 View

What is the effect of white spirit or petroleum spirit on the drying time of alkyd paints?

I desire to know the contributive effect of the solvent, white spirit oon the drying time of oil-based paints made from alkyd resiin

07 January 2019 5,695 1 View

How do I calculate NDVI images with different thresholds using Sentinel-2 image?

I want to set different thresholds for calculating the NDVI images using Sentinel-2 for the purposes of fishing out river sediments in the Dry and Wet seasons. I am using the Semi-automatic...

05 November 2018 694 2 View

Any alternate computer/software program, besides R-package or Xcalibre 4.2 for computing effect size within DIF?

The goal here is to provide my students with a relatively easy program to use for computing effect size estimates for DIF [item-level invariance] within IRT (parametric). Xcalibre 4.2 offers this...

20 June 2015 3,702 2 View

What is the role of SES in effectiveness of intervention for children?

24 October 2020 4,110 3 View

What model/theoretical framework could I use?

05 September 2020 624 20 View

How can I build research questionnaire ?

Research Topic - Borrowers demographic characters (IV) and microfinance loan repayment performance (DV). Hi-Age H2- Education level H3 - Gender H4 - Marital Status H5 - Household Size Based on...

02 August 2020 825 13 View

Does anyone have any experience with collecting SES from young children (e.g. 8-9 year olds)?

In combination with school performance of 8-9 year old children we would like to survey the SES (socioeconomic status). Normally this is done through a parents' questionnaire. But does anyone have...

24 June 2020 4,566 1 View

What are the best possible research Questions related to COVID-19 for social scientists ?

We are now dealing with a COVID world and a post-COVID world lies in our future. Good social research will generate better understandings not only of the current social impact of COVID, but also...

16 April 2020 6,999 16 View

Are there researches about Socioeconomic Status, Materialism, Gratitude from 2014 up to present?

Hello! please help me find studies about socioeconomic status, materialism, and gratitude that are published in 2014 up to present? My Research adviser recommended to use studies that are recent...

08 January 2020 8,865 3 View

Hi! I need a socioeconomic status or social class scale. is there a reliable scale where the participants are categorized in upper middle lower class?

Hi! I need a socioeconomic status or social class scale. is there a reliable scale where the participants are categorized in upper middle lower class? this research is based in the Philippines....

02 January 2020 8,451 2 View

Are there researches about Socioeconomic Status, Materialism, Gratitude from 2014 up to present?

Hello! please help me find studies about socioeconomic status, materialism, and gratitude that are published in 2014 up to present? My Research adviser recommended to use studies that are recent...

31 December 2019 2,141 3 View

What do you think about health system in underdeveloped and developing countries?

Unfortunately, in many underdeveloped and some developing countries, the health status is still poor. This causes the people of this country not to have proper access to optimal health services....

11 December 2019 5,190 3 View

Choosing the correct statistical test?

Dear all, Thank you in advance for helping me choose the correct statistical test for my dissertation. In my dissertation, I am investigating whether there is an association between marital status...

07 August 2019 3,806 4 View