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2
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1answer
23 views

How to process Binomial-Binomial data on SPSS for hypothesis testing?

There are 2 groups of 100 pregnant women: the first are malnourished and the second are well-nourished. A COHORT research is being done on them to determine if malnutrition is a risk factor for low ...
0
votes
1answer
27 views

Choose software tool for basic analysis [closed]

(I am pretty novice in data analysis) So, I have a set of elements (~105). All elements splitted for some classes of disjoint sets. Actually, there are two systems of sets. ...
0
votes
0answers
1 view

Trying to replicate data analyses on AM software

I have downloaded a dataset from data.gov and need to run some correlations. It runs on AM software, and I have not been able to either export or tag any dependent variables. Please help.
2
votes
1answer
73 views

Constraints on the Coefficients of a Seasonal ARIMA Model (Possible Software Bug ITSM)

I am attempting to fit a seasonal ARIMA models using ITSM software. The following is the model. ARIMA$(1,1,0)\times(1,1,0)_{12}$: $\phi(B) \Phi(B^{12}) = (1-\phi B)(1-\Phi B^{12})=1-\Phi ...
3
votes
2answers
37 views

software library to compute KL divergence?

Are there any software libraries that compute KL divergences in closed form, that also give the derivatives of the KL divergence wrt the distributions' parameters? I'm using Julia, so it's ...
0
votes
0answers
16 views

Correlation Coefficient (r) on Minitab

I am analysing a relationship between two continuous interval variables. When I graphed the variables, I noticed two groups and suspected there was another variable at play so I graphed them again ...
1
vote
0answers
34 views

What are the computer related prerequisite to do cool stuff with data? [closed]

I am a mathematician, who has recently gotten interested in statistics and machine learning, and feel that the biggest gap I have to fill is the technological one. What are the different ways that ...
0
votes
0answers
8 views

Probabilistc Inference for Hybrid Models

I am looking for a library that can solve (calculate the MAP estimate) of the variables in a probable graphical model in which some variables are discrete and some are continuous. I understand that ...
0
votes
1answer
87 views

What statistical software does NOT provide for Classification and Regression models [closed]

Appended is a list (as far as I can tell) of statistical software that DOES provide for use of Classification and Regression Tree (CART) models. Some have the CART as a trivial case of things like ...
0
votes
0answers
79 views

glmnet MATLAB logistic regression crash with small sample size

When I run glmnet (MATLAB) on a small data set (2500 variables, 200 samples), it often crashes MATLAB. Occasionally when MATLAB doesn't crash I get this error message ...
1
vote
1answer
41 views

What software could fit an alternative specific random intercept multinomial logit model?

I have a dataset of around 30,000 people where each chooses one of 4 items: A, B, C or D. People are nested within the 600 areas. I want to fit a multinomial logit model, where random intercepts are ...
0
votes
1answer
39 views

Better software for business forecasting? [duplicate]

I'd like to know what software provides better performance in business forecasting for thousands of SKU. Here the data is taken through databases. I know three alternatives: Autobox SAS Forecast ...
3
votes
2answers
76 views

Which multilevel software should I choose?

I have used packages in R thus far for MLM, but now I need to do MLM with complex survey data, and as I understand it, none of the MLM packages in R can cope with the complex weighting needed to ...
0
votes
0answers
91 views

Bimodal or Unimodal check using plot of Gaussian Kernel Density in R

I have a question on checking for bimodal distributions. When I try to use the Kernel based approach in R, ...
1
vote
0answers
26 views

How to analyze the effects of air pollution separately for the warm season and the cool season

In the model for main effect, we used the R code: ...
1
vote
0answers
14 views

Looking for a package to symbolically manipulate statistical expressions

I'm looking for a package that allows to manipulate statistical expressions symbolically, similar to how one can simplify, expand, factor, etc. with Matlab, Mathematica or SAGE. Using rules such as ...
0
votes
0answers
79 views

Data Research Tool For Statistical Analysis and Data Exploration

I'm about to embark on a data analysis project that will involve the following activities: Build a database that includes approximately 5 to 6 tables (sql) or collections(nosql) Building queries for ...
0
votes
0answers
9 views

build systems for portable analyses

Does anyone have a good tool chain for packaging up, transferring, configuring and running an analysis? Bonus points if an analysis can be reproduced across platforms. There has been a lot of ...
0
votes
0answers
70 views

The Shogun Machine Learning toolbox for SVM with precomputed kernel and zero bias

Can I use the Shogun Machine Learning toolbox for SVM with precomputed kernel and zero bias. I should be able to input pre-computed kernel and I also should be able to set bias zero.
0
votes
0answers
32 views

M statistic and software ProtoArray Prospector

I would like to reproduce the statistical result in this paper: http://www.ncbi.nlm.nih.gov/pubmed/24947363 They said "the M-statistic test in ProtoArray Prospector was applied to the normalized ...
12
votes
5answers
4k views

For plotting with R, should I learn ggplot2 or ggvis?

For plotting with R, should I learn ggplot2 or ggvis? I don't necessarily want to learn both if one of them is superior in any regard. Why R community keeps creating new packages with overlapping ...
1
vote
1answer
44 views

Recommended packages for numerical optimization with symbolic calculus

I'd like to train a model $\widehat{y}_i = F(x_i, \theta)$, by minimizing the sum of a loss function, $L(\widehat{y}_i, y_i, \theta)$. I'd like to input $\{x_i, y_i\}, F, L$ into a software package ...
1
vote
1answer
39 views

Missing data analysis software

Does any standard statistical software like R, SAS or SPSS have procedures or codes to analyze log-linear models for missing data in contingency tables using maximum likelihood estimation (or EM ...
0
votes
3answers
125 views

Why am I getting different results for my logistic regression when performed by different software?

My data is simple, my independant variable is continous from 0-1000 and the response is either a 1 or a 0. I'm performing a logistic regression to determine the 50% inflection point. When I put this ...
2
votes
0answers
78 views

Factor analysis with repeated measures

Multilevel factor analysis seems to be the technical term for factor analysis with repeated measures, judging from this abstract. To be precise, following Wikipedia's factor analysis notation, the ...
0
votes
0answers
26 views

Generating a dataset from mean, standard deviation, n and 95% CI

I have the output of a couple of Socprog models and I'd like to see if the results are statistically significant. Group A output: ...
3
votes
3answers
198 views

Tool for generating correlated data sets

Does anyone know of a tool that I can use to generate a set of data with known correlations (and to put the icing on the cake - output this in json,csv,txt or some common format)? I am working on ...
0
votes
0answers
319 views

Find linear SVM feature weights using libsvm

I'm trying to use linear SVM to do some feature selection. I'm using libsvm, but I cannot figure out how to find feature weights. The model file created looks something like this: ...
1
vote
1answer
81 views

Does free SPSS 16 actually exist? [closed]

My mother heard about free SPSS 16 and gave me the task of finding a safe download of it. However, I can't find any site (except torrents) that actually have it available, they all seem to use SPSS 16 ...
0
votes
0answers
66 views

Power analysis in meta-analysis: Compute the maximum significance needed by an additional sample for meta-analysis to reach genome-wide significance

I have an association study analysis (GWAS) that does not reach genome-wide significance (max p-value < 10E-5), and there is a potential additional sample (so with known N and known effect size/SE ...
3
votes
1answer
61 views

Methods for testing a Bayesian method's software implementation

I'm a frequentist but have been exploring Bayesian techniques lately. One thing that bothers me is that I'm never completely sure that I've implemented them correctly. To be specific, I'm not talking ...
0
votes
2answers
59 views

Software for assisted decision tree construction

I have a large dataset based on several thousand surveys consisting of hundreds of questions each. I would like to form a classification tree semi-automatically as follows. Each node of the tree can ...
0
votes
1answer
227 views

What is a user-friendly and powerful software package for econometrics modeling?

I would be using such software to run multiple regressions using macroeconomics variables as independent variables to estimate other macroeconomic ones as single dependent variables. I need to be ...
11
votes
3answers
1k views

Best open source data visualization software to use with PowerPoint

What is the best open source data visualization software? I require the following: Can import data from Microsoft Excel (importing data from Oracle databases would be good too, but this is not ...
0
votes
0answers
596 views

Eviews vs R (Statistical Software)

Are there many features in Eviews that R misses? I have heard that especially when dealing with time series R is less extensive than Eviews. Is this true? Which of the two packages contains most ...
4
votes
2answers
825 views

What tools do Machine Learning experts use in the real world?

I'm currently taking a class covering some topics in machine learning. The class is taught in MATLAB using Liblinear so far. I was curious though what kind of tools people used in the real world to ...
1
vote
0answers
31 views

Symbolic matrix algebra software [closed]

just wondering is there a symbolic matrix algebra software like Mathematica that would solve complicated matrix expressions? Many thanks!
5
votes
1answer
254 views

How to do Simple Confirmatory Factory Analysis/SEM in R?

I have a data set consisting of 166 observations on 24 variables (a1, a2, a3, ...
0
votes
1answer
76 views

Freeware similar to MS Access for SQL-less data mining, querying and reporting [closed]

I am looking for freeware similar to MS Access for data mining, querying and reporting without really writing SQL (which I know very well but sometimes I feel lazy and would rather just drag and ...
1
vote
0answers
87 views

Functionality missing in the Python ecosystem but present in R's [closed]

The PyData ecosystem is growing quickly but it still has some important gaps in relation to what one can find in R. I believe some examples are survival analysis and to some extent grammars of ...
0
votes
0answers
60 views

Best statistical solution for text mining

I'd like to choose a statistical solution for the next years which can manage the major forms of text mining analysis, like mood detection. Is there a solution which stands out from others (R, SAS, ...
1
vote
1answer
206 views

Time Series Modeling with Lagged Variables

I have a dataset with columns that represent lagged values of predictors. To illustrate with a simple example, suppose we had car sales data for 3 years and the only predictors available were income ...
0
votes
1answer
324 views

What languages are commonly used in medical statistics?

A doctor friend has asked if I would teach them some basic programming, because they think it will be useful when they start to do research in the future. To give some background - they don't know ...
0
votes
1answer
1k views

Any online software to calculate pvalue of Fisher exact test?

I would like to do a one-sided Fisher´s exact test for an analysis. I have not any statistic software to obtain the pvalues (no SAS, no SPSS). The 2x2 tables are of this type: Do you know any online ...
1
vote
0answers
270 views

STATISTICA 12 for SEM data analysis [closed]

I'm a graduate student pursuing Ph.D. in Information Systems. My dissertation research involves using structural equation modeling (SEM-PLS) as a main data analysis method. After comparing various ...
0
votes
1answer
54 views

Gretl - How to extract sub-series?

I have series with 62 observations. How do I create a series with just the first 26 observations so that I can run an estimation on it? Sorry, really really beginner with gretl. I tried the square ...
2
votes
0answers
163 views

What is the best software for neural network analysis? [closed]

I need to fit a neural network to my data. I used SPSS 21, but I think it's model summary isn't sufficient. I also used R (nnet & neuralnet), it has a poor report and I can't find a good model ...
5
votes
3answers
499 views

Expert forecasting software evaluation

I have question on evaluating forecasting software with expert systems: Are there any objective assessment (not from the manufacturer) on expert forecasting software in the literature? I found two ...
1
vote
1answer
63 views

Managing the experiment loop - experiment organization tool

Here is loop of actions I do very often in my machine learning research: Run an experiment with a certain configuration (a certain classifier with certain settings, etc.). Look at the log file. Try ...
0
votes
3answers
1k views

Unequal sample sizes for two-way repeated measures

I have 3 different treatments with the observations of 6 different repetitions. However, all these different treatments (groups) have different numbers of patients. The first group has 26 patients, ...