# Questions tagged [analysis]

For questions dealing with the applied analysis of a specific dataset or design of experiment. Posts tagged analysis are requesting statistical consulting assistance from the network. Questions tagged analysis need to be phrased appropriately.

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### How do I perform a content analysis in SPSS? [closed]

I am struggling to find the right statistical test for a content analysis. I have categorized and coded the different variables (e.g. text length) and generated the Excel file for the analysis. The ...
11 views

### Potential direct effect of moderator on independent variable [duplicate]

I am looking at the effect of a moderator variable (MV) on the association between my independent variable (IV) and my dependent variable (DV). I have now come across a theoretical paper which ...
15 views

### Time series data in regression analysis

I'm making a regression analysis in Python to find out the dependence between the stock price and several variables : my dependent variable - share price of company, independent variables - price of ...
1 vote
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### Ordinal Regression - Using a Continuous Attribute of 3 Categories as a Covariate as a Proxy for the Categories

I'm conducting an ordinal regression with SPSS 28. I have 3 subsets in my data (n=87 total, mostly equally distributed between the subsets) that represent 3 different scenarios where study ...
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### How to determine uncertainty of data from a bayesian posterior distribution

I am a bit confused as to how we determine the uncertainty of a set of data from Bayesian Analysis. In my specific case, I am asked the following: Assume $f(x,x_0)$ as the correct model for the ...
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1 vote
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### Statistical analysis of carbon dioxide flux data

I have been measuring flux of CO2 in (mmol m-2 d-1) from two different rivers and I now want to do a statistical analysis using IBM SPSS but I'm not sure where to start. One lake is showing negative ...
11 views

### Power with a hierarchical multiple regression analysis [duplicate]

I was wondering how to calculate the power with the below data? I did a hierarchical multiple regression with two models. There are a total of 87 participants and the alpha level is 0.05.
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### How to calculate your power in GPower? [duplicate]

I was wondering how you calculated the power via Gpower with these results? There are a total of 87 participants and the alpha level is 0.05.
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### How to calculate power?

I was wondering how you calculated the power via Gpower with these results? There are a total of 87 participants and the alpha level is 0.05. It is a longitudinal design in which I performed a ...
3 views

### repeated measures design vs. MANOVA power analysis

My collaborator and I are building a study where participants will read some profiles that vary for 3 dimensions each having 3 levels (9 profiles in total). For each profile participants will have to ...
1 vote
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### How to test a hypothesis (python) - customers with larger fares are more likely to travel alone?

How to test my hypothesis - the larger the fare the more likely the customer is to be travailing alone? ...
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### What's the best way to analyse changes in 1 DV due to 2 IVs and numerous covariates across 3-waves in R?

I need some help deciding how to model/analyse some data. As I'm still selecting a model I don't have code to share right now. The research situation is as follows: a 3-wave experimental study (wave1: ...
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### How to represent ranked ANCOVA in a violin plot?

When I did ANCOVA, I did not find normality and equality, so I did ranked ANCOVA(nonparametric tests) using SPSS. well.. I think that if I use just ANCOVA(parametric tests), I could create the violin ...
39 views

### Regression with multiple dependent variables

I am looking to derive the regression equation for the data in the table below however i am faced with two problems, using Excel, regression equation can't be derived due to the NAs in the data multi-...
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### Question about proper Data Analysis methods for A Discrete Dataset

everyone. I am a fourth-year statistics student and I wonder if I could have some recommendations for proper analysis methods for this dataset. The dataset contains var1, var2, var3, var4, var5, var6 ...
1 vote
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### What part of a dataset do I apply a traditional, statistical analysis to linear regression?

Note: I've edited my question as recommended below by @EdM. Suppose I have a supervised learning problem on a sizeable tidy dataset with real values—-e.g., the dataset has 100,000 rows or observations....
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### What analysis should I use?

I performed an experiment where 20 participants were measured on the same 4 conditions. There are 2 factors: Conditions(left, right, up down) and orientation (near, far). Trying to find if the ...
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### 3 categorical variables analysis

apologies if this question is obvious. I am trying to determine what type of analysis I should run for an observational study I am doing. The variables are sleep (sleep deprivation <7 hours or ...
14 views

### Mediation Analysis with Only Indirect effect

currently doing a mediation analysis for the following research framework (A -> mediated by C-> E) With such a framework, there's an indirect effect of mediation and no direct effect. Can the ...
24 views

### Combining earnings report data with customer satisfaction survey data

There is a popular Kaggle dataset on airline CSAT. It is a customer satisfaction survey using features of inflight services and travel procedures such as ...
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### One or multiple regression/s?

Say your equation in a paper has 6 coefficients, one being your main interest (dummy for Disability == Having at least one disability: coded 0/1). This estimation is done. BUT you want to dig deeper, ...
14 views

### Can I pool data sets answering identical question for different examples for moderation multiple regression analysis?

I am currently doing research on the moderation effect of the aim on factors (independent variables) that influence technology acceptance (dependent variables). My research is as follows: Group A had ...
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### Compositional data using R and difference between groups?

could you please help me in my research. I have a problem that can summarize: Is there a difference between stores in terms of the share of sales percentage in the 4th quarter. ...
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### How would you approach this odd pre/post research design?

I have obtained two datasets. The pre where users were designated by a unique ID were asked to state what sources they used to make their decisions. Their decisions involve making a binary choice of ...
43 views

### How to compare time series with different time stamps

My data consists of several time series of the form $A_i = [ (t^i_0,x^i_0), (t^i_1, x^i_1), \ldots, (t^i_{n_i}, x^i_{n_i})]$ for $i \in \{1, 2, \ldots 20 \}$ \$B_j = [ (t^j_0,x^j_0), (t^j_1, x^j_1), \...
113 views

### Analyzing relationships in 5 time series (cointegration)

I don't have a dependent variable in this case. 5 time series correspond to 5 different sections of the same company. I want to analyze the relationships between the sections based on these 5 time ...
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1 vote