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Dear Colleagues ... Greetings I would like to compare some robust regression methods based on the bootstrap technique. the comparison will be by using Monte-Carlo simulation (the regression...
03 May 2021 6,010 3 View
I am looking for an overview of methods to detect univariate contextual outliers in time series data. One example application is data from industrial plants in different (unknown) operation modes...
30 April 2021 6,381 8 View
I wonder if there is any statistical program that could help me to calculate power and/or sample size for (generalized) linear mixed models without requiring programming knowledge.
29 April 2021 3,961 14 View
it's possible to help me for solve this problem i want to install mixsiar gui i followed this step but stopping in library RGTK2 library(RGtk2) Error in inDL(x, as.logical(local),...
27 April 2021 1,229 0 View
I completed a survey and gained 137 sightings of terrapins, 87 in still water and 47 in flowing water. I originally thought I could do Chi goodness of fit but a stats book I have says I cant do...
25 April 2021 9,620 8 View
I am trying to exclude variables from a table of LogCPM of RNAsq data by gene names. The table have their rows labeled by gene names as shown in the image below: https://imgur.com/qavmB0K This...
20 April 2021 1,016 7 View
The Bayesian methods (e.g. MixSIAR) use the mean and standard deviation of each resource in the estimation of resource contribution in diets. In my case, I have two main resources: littoral and...
19 April 2021 8,346 10 View
As question stated , maybe can also include symplectic topology.
12 April 2021 607 3 View
Recently, I did a research which involves multiple mediation analysis using the Process (Model 4) in SPSS. Every data looks fine. The correlation among all the study variables are low to moderate....
06 April 2021 3,467 14 View
I have a set of data collected as part of a hydroacoustic survey-- essentially a boat drove back and forth over a harbour and took a snapshot of the fish biomass/density underneath the boat every...
26 March 2021 804 4 View
Hi, I'm quite new to SPSS and need help in how to prepare my data. I've done a survey where I investigate what kind of tools school people use in their work. Every row in my data is one persons...
08 March 2021 3,731 3 View
I tried to match the earthquake response spectra to design spectra using spectral matching in frequency domain . After calculating the modification factor( the ratio of spectral acceleration at...
07 March 2021 6,377 0 View
Hi! I am trying to analyze kinetic data for different conditions that plateau at different Y values. I am currently using graphpad's one phase decay. The problem is that this method calculates...
04 March 2021 5,766 3 View
Hi, I'm working on biosynthesis of a phytohormone in vitro, and modelisation of the conditions by using RMS. So, I am looking for works which treated their results by the same method to help me...
01 March 2021 8,437 6 View
Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...
27 February 2021 1,264 13 View
Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...
26 February 2021 2,321 4 View
In my newly developed tool with items measured on 10 point and 4 point likert scales. How can I do FA. Am I supposed to standardize the scores..? otherwise can I do FA without standardize..?...
21 February 2021 2,324 3 View
Hello guys I am following Zhao et al. (2010) to do a mediation analysis using smartPLS. According to their descriptions, when indirect effect (a × b) is significant but direct effect (c) is...
19 February 2021 7,229 3 View
I have a dataset that has two groups: mean_1 and mean_2. I want to find statistical significant difference between mean_1 and mean_2. The groups are paired but data is not normally distributed so...
18 February 2021 8,664 12 View
Dear colleagues, I have an output of FUNGuild tool (ASVs abundance in different samples and assigned to guilds) and would like to merge the ASVs that had similar ecological guilds using R...
17 February 2021 4,523 7 View
Hello, I am a doctoral student and currently working on a mediation model where X is the treatment, M is the mediator and Y is the outcome variables. I also use Z as the single instrumental...
13 February 2021 4,625 7 View
I'm looking for advice regarding what effect size to use for meta-analysis. Our question is whether the number of individuals in a group affects the per-capita productivity of that group. Does...
11 February 2021 5,726 8 View
Does it make sense to use two-way ANOVA to compare response of two different organisms (definitely have different values for the dependent variable) exposed to stress levels? I thought to use...
09 February 2021 5,594 4 View
Hi I've been looking for a stat package for my sensory evaluation data (progressive profiled which is a multi-timepoint version of descriptive analysis). Is there any available one to...
09 February 2021 9,442 3 View