How do we calculate 95% confidence intervals for RMSE?

I have two datasets (measured and modelled). I want to calculate 95% confidence intervals for RMSE. Cany anyone please help me with this? Thank you in advance

04 February 2021 5,439 6 View

how to analyse the impact of independent variable on multiple dependent variables?

I have a dataset which three variables: date, mean1 and mean2. date - datetimens64 (YYYY-mm-dd format) mean1 - float type mean2 - float type The data is not normally distributed. I want to find...

19 January 2021 8,216 5 View

Which is the best machine learning regression model to analyse small data sets?

I'm trying to predict mercury concentration in soil with a data set of 67 observations with 28 predictor variables. Some of the predictor variables are correlated.

05 July 2020 7,306 5 View

Is 10 years of data enough to study trend of stream discharge and precipitation?

I'm studying to study hydrological regime of a watershed for a statistics project and I'm wondering if running a Mann-Kendall test would be useful for the analysis of these data set.

15 April 2020 9,262 35 View

Why iron sulphide sediments are frequently formed during winter and role of microorganism in formation of iron sulphide mineral?

I read in a book Environmental Chemistry that" in anoxic region of water bodies , some bacteria use sulfate ion as an electron receptor where as other bacteria reduce iron(III) to iron (II). These...

22 October 2019 8,867 3 View

Please suggest me an inducer of PPAR alpha protein expression?

I am in a need of molecule which induces the protein expression of PPARalpha gene. Please suggest.

07 January 2019 7,324 2 View

What is the significance of low dimensional materials in florescence characteristics?

Also what is the difference between fluorescence characteristics and plotoluminescence spectroscopy?

22 June 2017 7,434 4 View

Can someone tell me estradiol inducible gene in brain endothelial cell lines?

I want to know a gene strongly altered by 17 beta estradiol in human brain endothelial cells, so that i can take that gene as a control for the system.

01 May 2017 7,396 3 View

For how long we can store the processed microarray chips?

For how long we can store the processed microarray chips before scanning

16 October 2016 3,874 3 View

How to decide time points of RNA extraction in microarray experiment?

Hello Experts, How do we decide time points of RNA extraction after giving drug to the cell lines for checking the gene expression profile in a microarray?

09 January 2016 8,684 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

No title

02 March 2021 3,060 3 View