Quantile mapping of climate data (MERRA) in R?

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What is the better way to handle zeros for bias correcting the satellite based precipitation?

I am using gamma distribution for correcting bias in satellite based precipitation. Can you suggest me to handle zero values ?

31 December 2017 4,723 1 View

Anyone working with APHRODITE data in R?

I was trying to read APHRODITE data in R software but could not. Any solution?

10 November 2017 7,641 3 View

How to select a row based on minimum value on two columns?

I have a matrix with x rows and 2 columns. I want to select the row which has minimum value in both columns. But the problem is minimum value does not occur at the same time in a row. Is there any...

09 October 2017 7,254 0 View

How to read MSWEP rainfall data from R?

I am planning to use MSWEP rainfall data for some hydrological application. I decide to use R as i am familiar with it. Can anyone know how to read MSWEP rainfall data from R? I already tried with...

09 October 2017 1,522 3 View

How to install MODISSnow library in R (window operating system)?

I was unable to install MODISSnow library in window platform. Can anyone help me?

05 June 2017 9,398 0 View

Any paper that considers snow interception by plant for Himalayan catchment?

how important is snow interception by plant for central Himalayas. Any reference articles.

05 June 2017 9,009 2 View

Any R package for Vulnerability mapping?

Have you come across any vulnerability mapping package in R?

05 June 2017 4,862 0 View

How to calculate mean snow cover days?

I have raster file of snow cover days. Now i want to calculate mean snow cover days for whole raster. How to do this. Should i add values of all pixel and divide by those pixels which have snow ?

04 May 2017 6,695 2 View

What are the suitable statistical index for evaluation of gridded satellite rainfall products?

Could you explain which statistical index is better for evaluation of satellite rainfall product for Himalayan catchment?

01 February 2017 6,780 4 View

What are existing spatial downscaling techniques for increasing spatial resolution of grided climate datasets like APHRODITE, TRMM, CHIRP, MERRA?

I need to improve/increase the spatial resolution of gridded climate datasets from low to high (eg., 5 km to 90 m) for Himalayan Catchment. Can you suggest some?

31 December 2016 4,371 6 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

How to report results of Generalised Linear Mixed Models in a journal article?

Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...

04 August 2024 4,130 4 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

Is factor analysis with quantitative variables possible?

Good morning, I would like to conduct a factor analysis for my work at the municipal level on a panel datae with variables such as income per capita, unmployement rate, percentage employed in a...

25 July 2024 5,104 4 View

How do I access .vcf files without an R statistical package?

I am currently working on a mendelian randomization study, and I have downloaded the datasets needed from the ieu opengwas project (mrcieu.ac.uk) in .vcf format. I do not have access to an R...

19 July 2024 2,342 5 View

Best statistical test for three groups and binary dependent variable ?

Hello everyone, I am currently working on a project where I aim to analyze color preferences in data visualizations across participants from three different countries. The dependent variable in...

19 July 2024 4,178 2 View

I want to conduct a research using quasi experimental design to test two treatment and one control what type of statistical tools do l use ?

What type of experimental design do l use and what statistical tools do l use for the hypothesis. What is the position of control group in the analysis?. Thanks

18 July 2024 3,581 3 View

Genotype and allele distribution statistics ?

Hello, how can I do the statistics associated with genotypes and alleles as in the table? thank you very much for your attention.

17 July 2024 7,606 2 View