Atmospheric correction code in Google Earth Engine (GEE)?

I am looking for options of GEE JavaScript code to perform atmospheric correction of Landsat 7-8 and Sentinel-2 directly within the GEE Code Editor. I intend to use harmonized Landsat 7-8 and...

26 October 2020 7,047 8 View

Purification of Octapeptin C4?

I am doing synthesis of Octapeptin C4 analogues with variable tail moieties as part of my project. I have made the final compound, which is cyclized and all BOCs removed. The problem is, I can't...

16 December 2019 1,730 2 View

How to analyze a two factor RM ANOVA ?

Suppose you have (a) different groups of (m) similar subjects each. You give them all ( i.e the m xa subjects) the same treatment repeatedly for (b) days. You take daily measurements of the...

30 April 2019 8,234 4 View

How to use the values of several categorical variables to create new categories in SPSS?

I will explain my question with a simple hypothetical example. I have a dataset with nodules of the thyroid gland, containing the next three categorical variables: 1. Scan. The value is either...

03 April 2019 6,404 9 View

Help me to formulate this PhD Topic?

The effect of Integrated Soil -Water and Sanitation as an Adaptation Mechanism to Climate Change in Water-Scarce Areas . Can I find also a supervisor?

22 January 2019 3,572 9 View

What are the best references for analyzing data on Stata using statistical functions on the menus instead of typing commands?

I need to analyze data on Stata, but it's a new world for me (I've 25 years of SPSS...) All the tutorials I've found on the internet teach us to type commands on Stata to perform the analysis. I'd...

15 April 2018 5,957 6 View

How do I convert ERA Interim precipitation estimates from kg/m2/s to mm/day?

I want to compare ERA Interim precipitation estimates with ground measurements so i do not know to convert the data from kg/m2/s to mm/day. Thanks in advance Nkiaka

01 March 2016 6,337 16 View

Is there an alternative way of converting Odds Ratios to Risk Ratios without relying on prevalence of a health outcome in unexposed groups?

01 July 2014 5,635 2 View

Can a variable assume the role of a predictor as well as a confounder in the same study? If yes, why? If no, why not?

Example: IN the association between education and family planning, economic status was considered as a confounder. IN the same study, can we consider education as a confounder in the association...

14 February 2014 9,856 8 View

How do I objectively choose a statistical approach when I want to publish?

It is a common concern to hold alpha values at 0.05 and that it is completely arbitrary. I have been interested in using other methods, but I know that there may be pushback from editors to use...

09 September 2013 5,594 5 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View