How to calculate Hazard Ratio and logrank for meta-analysis by having patients data?

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What are the recently methods to estimate low-flow and high-flow time series in ungauged basins?

Hi Is there any new method to estimate ( predict ) low-flow and high-flow regimes in daily scales for ungauged hydrometric stations? Thanks

15 February 2021 3,493 3 View

Is there any similarity index between two time series?

Hi We have two time series dataset. For example mean daily temperature from two stations. Each of them have 30 data for a month. T1={ t1 , t2 ,... , t30 } T2={ t1 , t2 ,... , t30 } Now we want to...

06 February 2021 6,434 7 View

How can I solve this problem in my "Direction flow" map?

Hi I am working on a study and need to create "Flow line" by a tool in ArcGIS same as "Direction flow". You can give the topographic map to this tool and it can return you the flow direction map...

18 January 2021 1,728 8 View

How can we determine the basin borders by GIS?

Hi We are working on a research about prediction river discharge in ungauged stations. we considered some stations and each of these stations has a sub basin that we know the area of each sub...

10 January 2021 3,806 5 View

In some cases, does PPy lead to accelaration of the corrosion rate of metallic substrates?

Although I know that CPs give anticorrosive property to metallic substrates, I have heard that in some cases CPs i.e. polypyrrole may lead to acceleration in the corrosion rate of the metal...

26 November 2020 2,315 9 View

How can we be sure about the quality of our hydrologic dataset?

Hi! I'm working on a research and we have some kind of hydrologic datasets(e.g. river discharge, precipitation, temperature and etc.). We need to be sure about the quality of our datasets. Is...

23 November 2020 7,009 5 View

Can anyone help me how to Define Concrete Damage Plasticity Parameters for Modelling 4-point bending test in ABAQUS?

Hi Everyone It's been a while that I've been trying to model a Concrete beam for bending test but the more I study about Concrete damage plasticity, the more I get confused. I have read articles...

30 September 2020 1,593 3 View

Is there any alternative database for Mipred?

I want to know if a sequence is related to a pseudo microRNA precursor or not. I tried to use the Mipred database but it seems to be out of reach. I'm eager to know if there are any other...

20 August 2020 502 2 View

Call for the paper in COVID-19?

Covid-19 in Pharmaceutical and Biomedical Research The novel coronavirus SARS-CoV-2 (COVID-19) is a global crisis leading to huge number of economic losses, morbidity, and mortality. This emerging...

22 June 2020 8,015 8 View

How can i measure the ozone generated by corona discharge ?

hi every body i'm working on producing ozone gas by corona discharge my first question is : how can i measure the ozone generated? does it have a formula depended on voltage and the gap between...

17 May 2020 8,535 1 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

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View