How to compare means of multiple groups (say 40 groups) which have different sample sizes and standard deviations?

I have around 40 groups. They have different sample sizes. For example in first group 10 people responded, in second group 25 people responded, in third group 5 people responded and so on. The...

11 December 2017 1,946 4 View

How to conduct Non-Parametric Mean Difference Test?

I have a survey data. The format is as follows: Region 1: Res Credit Investments A 1 0 B 5 5 C...

10 November 2017 1,110 3 View

When to apply Modified Mann-Kendall Test?

I have data on crop yield for 600 districts of India. I wish to conduct trend analysis of this yield for each district for say last 20 years. To conduct trend analysis, Man-Kendall test is well...

09 October 2017 2,408 19 View

Are Normality and Non Linearity Tests in Principal Component Analysis Important for Interval Scale Data?

I have an interval scale survey data. I have defined the socioeconomic status of the survey site with 5 parameters and wish to create a composite index. I do not have any prior weights for these...

06 July 2017 9,797 4 View

Issue with Statistical Model Building

I want to asses impact of fertilizer, seeds and irrigation on crop productivity. Total observation number is 100 and its a panel model. The issue is that while dependent variable requires log...

06 July 2017 7,820 4 View

From where can I get horticulture statistics (fruits and vegetables) for India district wise from 1997 onwards?

I am looking for district wise horticulture statistics, that is, area and production, for India, district wise, from 1997 onwards. However, I am not able to find any compiled dataset. Mainly its a...

04 May 2017 6,479 10 View

How to account for relation between independent and dependent variables in a small response set for 40 technologies?

Hello Experts! I have a set of 40 technologies and their corresponding adoption level. Also I have information various adoption barriers like market connectivity, finance and machinery. It is a...

02 March 2017 7,988 2 View

Minimum Sample Size (or Observations) for a Rank-Ordered Logit Model ? Are 30 observations sufficient?

02 March 2017 5,649 0 View

How to compute index with ordinal data?

02 March 2017 6,034 5 View

Simple Stats Question: Standardize such that data has a standard deviation of 10. How ?

02 March 2017 8,809 0 View

Is Journal of Agricultural Research a predator?

it is published by Juniper

28 February 2021 354 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View

Fractional impervious surface (FIS) map ?

Need Help Does anyone Know how to make a Fractional impervious surface (FIS) map from NDVI map, in ArcGIS environment? Thanks in advance

24 February 2021 8,455 2 View

Can you mention any source which presents an updates forest-fire hazard or vulnerability map of North-East India?

There exists a confusion of generating fire-hazard maps with MODIS data as that way, we cannot distinguish between shifting agriculture and wildfires. I am looking for a source that provides me...

22 February 2021 9,616 2 View

Open Source IoT Simulators supported by Machine Learning?

Dear Research Gaters, Let me first add context to the question. I am looking to simulate the waste management system and resources of a city. The hardware devices I need to simulate include,...

21 February 2021 2,333 4 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

How to correctly choose the number of solution intervals when preforming harmonic analysis in ANSYS?

Good day, I design the rail-wheel geometry and the harmonic frequency ranges between 20-10kHz with 500Hz solution intervals and the results makes sense. Most of the time on the related literatures...

19 February 2021 3,190 3 View

Historical wind data/map?

Hello All, I am looking for the historical wind data/map (mainly the year 2020-2021). I would like to look at the wind value and direction for the specifics locations within the US for the...

18 February 2021 9,543 4 View

Where can I obtain agricultural land use data for Wales, UK?

The Gower peninsula around Swansea is my target area

16 February 2021 7,473 3 View