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

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

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

How can we estimate sample size for a moderated mediation analysis with more than two mediators?

How can we estimate sample size for a moderated mediation analysis with more than two mediators? I am looking for scripts, macros, syntaxes, that allow us to estimate sample sizes for research...

15 February 2021 6,813 3 View

It is easier to knockdown a gene than overexpress a gene when generate a stable cell line?

I am just so confused that some people tell me knockdown is easier than overexpression when generating a stable cell line. I think it depends on the gene. Cells won't be happy whether we try to...

15 February 2021 1,370 2 View

What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

Can we have a model where A affects B which affects C but B is not a mediator?

Please suggest any papers in Information Management area that have the model where A affects B which affects C but B is not a mediator? What is this relationship called?

13 February 2021 5,239 3 View

SiRNA transfection efficency and results interpretation ?

i am having a problem with the transfection of 2 siRNA , one for the longer isoform U and the other one of the sliced isoform S that is also the only transcribed. i am trasfection siRNA with a...

11 February 2021 8,145 3 View

What is the step by step process involved in interpreting the results of mediation analysis done using PROCESS macro?

09 February 2021 7,377 2 View