Cross section data is drawn at a single point in time as a sample of many different units from a certain population.

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Is this a case control or a retrospective cohort study? What are the biases? [on hold]

BACKGROUND: Black Americans have higher mortality from breast cancer than white Americans. This study explores the influence of socioeconomic factors and black race on treatment and mortality for ...
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17 views

How do I calculate sample size and What is the is the meaning of power in a cross-sectional study?

Here is an example: Previous research reported that the prevalence of HIV testing among gays is 19.2% . Sample size required to detect this percentage with 95% confidence and .05 precision is 273 (...
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55 views

Understanding a paper combining cross section with time series in finance

I am reading a paper to do with reversal signals in finance. (Apologies I am not allowed to share the actual paper.) In the paper it says it does monthly cross sectional regressions and collects the ...
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20 views

Cross-Section Analysis

I have cross-section individual data and would like to regress individuals' 2011 wages (in logarithm) on the region-varying minimum wage (MW). The MW variable will be subject to endogeneity (e.g. ...
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13 views

fixed effect approach for multilevel data

I am doing a multilevel analysis with the first wave of ESS survey (2002). First, I ran a multilevel analysis (for both my two research focus). After that, I have to run a fixed effects model to check ...
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19 views

Cross-sectional independence tests returning p-value NA

I'm a Master student researching for his thesis. In a panel data analysis, I have a sample of 141 observations related to airports. First lines are: ...
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6 views

Questions about 2sls regression with skewed cross-sectional data

I have cross-sectional data (independent variables in period t, dependent variables in period t+1).They are highly skewed.And I want to do 2SLS regression. Thus far I've read many materials about 2SLS,...
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1answer
37 views

What is an acceptable R squared range for cross sectional data linear regressions?

May I know an acceptable R squared range for a cross sectional data analysis using linear regression? I think the requirement for this is lower than time series or panel data but would like to know ...
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24 views

a high correlation coefficient between the dependent variable and a control variable

I have an control variable which has a high correlation coefficient of 0.6985 with the dependent variable.It's cross-sectional data, what things should I concern about the high correlation coefficient ...
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44 views

When is cross-sectional data better than panel data?

When is cross-sectional data better than panel data? That might be a weird and strange question: I personally think panel is the best choice but I still want to know if there is some expectations or ...
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21 views

What is demeaning data & what is its purpose?

What is demeaning a data? When it should be done? Or what is its use? Is it necessary to do for a cross section survey data before use for regression analysis?
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23 views

How to find frequency of string data on repeated cross section using STATA? [closed]

So I am looking at a dataset for auctions. I have all the bidders who won something, and how much they bid. This auction takes place every year. I wanna see if the same people come back every year to ...
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11 views

Causal Inference from cross-sectional survey data with recall questions and associated problems

I have a dataset from a cross-sectional study (n=121) where people where asked about production characteristics in 2015 and how they recall their production in 2010. One set of example questions could ...
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12 views

Interpretation of max and odds ratio

Please I will like to know how different or similar the interpretation of odds ratio results mad fixed effect results are. I will like to compare the result they provide
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25 views

My regression shows zero

After running my logit model I had one of the variables showing zero.. When I run the mix I get a zero and a dash when I run the odds ratio. It looks odd to me cos I haven't come across any such ...
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17 views

Time-Series Cross-Section or Multi Level

I trying to make a quite complicated model (for me at least) which i cannot figure out myself :/ I have a dependent variable (level of production) (and perhaps more than one - different types of ...
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33 views

Using several cross-sectional regressions (for different years) vs. a single fixed-effects panel model

I have what I think is a relatively simple question about the merits of performing a single panel regression with fixed effects as opposed to individual yearly cross-sectional regressions with the ...
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28 views

Analyzing repeated cross-sectional surveys

I'm planning analyses for a substance abuse prevention media campaign and the funder is interested in looking at change over time in perceptions and attitudes towards drug use. We will take a sample ...
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20 views

Regression models with several samples of the same people

I am trying to implement some regression models with my data of 56 features x 1500 samples to fit a response variable of 1x1500 and I am hesitating about the statistical validity of what I am trying ...
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33 views

Analysis for panel data

I have data by year, variables, and Metropolitan Statistical Area (MSA) for the state of Pennsylvania for the following variables for years 2000-2014: y = birthrate of firm/population of MSA x1 =...
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1answer
18 views

Simple cross-tabulated data and probability

I saw this question which I found confusing: Suppose 400 people are surveyed. For each person, they flip a coin and if it lands heads they are asked, A: Are you a student? otherwise they are ...
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27 views

difference in difference cross section or panel

Hello so i am doing some econometric on inflation targeting. What do you recommend I use if I am doing difference in difference with CPI quarterly: the method of collecting data on should it be cross ...
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1answer
51 views

cross-sectional data : regression model

I'm using a cross-sectional dataset ( just one point in time) and want to use a regression. In literature, mostly an OLS regression or a regression with fixed or random effects were used. However, I ...
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55 views

Logistic fixed-effects model with group-dummies

I have cross-sectional data with ~800 individuals nested within 6 countries, across 3 time points. Each individual is sampled only once, so time is cross-sectional here too. The number of individuals ...
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53 views

DiD Matching with Time-Varying Treatment and Repeated Cross Sectional Data

I am conducting research on the effect of modularizationg (dividing courses in modules) on early school leaving (dummy variable where 1 = left school prematurely). I would like to match my treatment ...
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50 views

second genration panel unit root tests

I'm conducting panel data analysis in Eviews-9 Fistly, I have obtained the result that the data in my study is cross-sectionally dependent. (there exists cross-section dependence) Therefore, I ...
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54 views

How to implement a two-level beta regression?

I am working with Time-series Cross-section data and my response variable is a proportion ranging from 0 to 1 (including 0 values but no 1s observed). Beta regressions, and especially the ...
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29 views

statistical tests for case-control studies on malnutrition

I got some data containing sociodemographic information (e.g. Age, level of education, BMI, type of employment) about mothers of malnourished and well-nourished children. I am trying to design it as a ...
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3answers
299 views

What level should I cluster at in my regression?

So I am running a pooled OLS. My dependent variable is house prices, and my main explanatory variables are job creation and distance to job creation, plus a raft of control variables. The housing ...
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1answer
87 views

Structuring data for ticket sale analysis

I have some experience doing statistical analysis but most of it has been practiced using data formatted specifically for that type of regression/analysis. I now have my own data set but I'm at a loss ...
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1answer
91 views

Statistical differences between longitudinal and cross-sectional data

I would like to start a follow-up discussion to an existing question on cross-validated: Difference between longitudinal design and time series. Most of the answers there tend to make distinctions ...
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120 views

Is serial and cross-sectional correlation a problem for random forest?

I apply random forest on panel data (many countries over many years). I was wondering whether serial correlation (i.e. the value of a time series depends on its value in previous periods) and cross-...
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10 views

Separate-Sample versus Pooled-Sample Estimation of Interactive Effects

I have a question regards pros and cons for Separate-Sample versus Pooled-Sample Estimation of Interactive Effects, when alayzing group differences. For instance, I am interested in the effect of a ...
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1answer
37 views

In linear regression, what is the difference between controlling for a random variable and standardizing the DV by that random variable?

I am working on a project where my dependent variable is the number of violent events in a given city. It is obvious that cities that are highly populated are going to have a higher number of these ...
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1answer
79 views

Modeling repeated measures of cross-sectional county level data

I'm currently preparing an analysis project and am wondering people's thoughts on how to best model these data. I have 8 waves of data from a statewide random sample of 6, 8, 10, & 12 graders that ...
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27 views

How should I interpret the results of these two models?

I have a panel data set with two time points: t and t+10. I first ran cross-sectional models for data at t and t+10 separately Y = a + bX b is statistically significant in both models, indicating X ...
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1answer
39 views

Variables for Local Economic Environment

I'm working on a regression to explain store sales (cross section data over a number of stores in one time frame only). Some of my variables are 'min distance to competitor x'. However, the results ...
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72 views

Time-series cross-sectional classification problem

I have a time-series cross-sectional dataset consisting of 100 individuals that each had 4 features measured yearly for 21 consecutive years. One of the features is binary and the other three are ...
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19 views

Assessing dependencies

I am looking for a method to assess the dependencies between random variables (cross sectional data). I know that I can use copulas models, but I'd like to see if there are any other alternatives.
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73 views

Test whether cross-sectional dependence in panel data follows known (network/spatial) structure

I want to test whether cross-sectional dependence in one specific variable (y) in panel data format follows a known structure (W) (e.g. network, spatial dependence), after controlling for individual ...
2
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1answer
823 views

Causal inference from Cross sectional study

As far I know that, causal inference can make for longitudinal study. Is their anyway way to make causal inference from cross sectional study design? If yes, how can I do this? Please share if any ...
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1answer
56 views

Interpreting OLS Cross-Sectional Macro Data

I have the following model: $y=a_0+a_1(x_1/z_1)+a_2(x_2)+e $, where $y$ = the average log of variable y, $x_1$ = the average ratio of $ x_1/z_1 $, $x_2$ = is the averae log of the variable $x_2$. ...
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426 views

Analyzing Independently Pooled Cross Sectional data (TIme series)

I am new with time-series data analysis. It seems that there is some confusion in terminology (Panel, and time-series cross-sectional). But my question is general in nature. How do I analyze a ...
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60 views

can individuals resampled in reoccurring cross section surveys be considered as panel dataset?

I have data from a reoccurring cross sectional firm survey, For every year a new sample was selected ( with replacement between years). The data is identified, so I can see the subset of firms appear ...
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177 views

Is there any difference between pooled cross section and pseudo panel data?

I have a 17 years (1997 - 2014) of data from independents surveys. It's a large dataset (with around 1.2 million observations), which I'm using to measure the effect of distance on unemployment length....
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2answers
257 views

What to call exponentiated coefficients from a Poisson/negative binomial regression of cross-sectional data

In epidemiology, exponentiated coefficients are often reported as odds ratios, relative risks/ incidence rate ratios or hazard ratios. In the analysis of cross-sectional data using Poisson/negative ...
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1answer
302 views

Avoiding spurious regression with cross-sectional data

I have been reading everything I can get my hands on about spurious regression but can't seem to definitively find out what is best in regressing cross-sectional data including non-stationary ...
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1answer
84 views

type of study and sample size

I'm a medical student and for my thesis I'll study some features of the retina in patients in neurodegenerative disorders (Parkinson, Alzheimer) compared with controls. We are not going to make a ...
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21 views

probability life similarities in a population cross section

I have just read up on Bouchard's Minnesota Twins study that turned up some amazing identical similarities in the lives of some identical twins reared apart. Both had same jobs, married and divorced ...
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1answer
729 views

Time Series Cross Sectional Analysis and Forecasting With R

cty time tl Argentina 2009_Q4 3 Argentina 2010_Q1 2 Argentina 2010_Q2 7 Argentina 2010_Q3 7 Argentina 2010_Q4 10 Argentina 2011_Q1 7 Argentina 2011_Q2 7 Argentina ...