EMfit: An Infrastructure for Latent Variable Model Fitting using EM Algorithms
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Research interests
Publications
Books
Data Management in R: A Guide for Social Scientists
Articles in peer reviewed journals
Multilevel Analysis with Few Clusters: Improving Likelihood-based Methods
Method Factors in Democracy Indicators
Social Cleavages and Electoral Behaviour in Long-Term Perspective
A Dynamic State-Space Model of Coded Political Texts
Bounded Volatility in the Dutch Electoral Battlefield
Stability or Decline? Class, Religion and the Vote in Germany
Social Divisions, Party Positions, and Electoral Behaviour
Ignoramus, Ignorabimus? On Uncertainty in Ecological Inference
The Decline of Social Cleavages in Western Europe Revisited
Politicisation, Economic Development, and Political Interest in Europe
Book contributions
All Gone? Change and Persistence in the Impact of Social Cleavages on Voting Behavior in Germany since 1949
Der Einfluss des politischen Kontextes auf die Ausformung einer Parteiidentifikation
Replicationsmaterial
Vorbereitung
Benötigte Pakete
Daten der GLES
Analysen für Westdeutschland
Teildatensatz für Westdeutschland
Konstruktion des Basismodells
Graphische Darstellung relevanter Effekte im Basismodell
Zusammenhang mit Alter
Einfluss des Elternhauses
Einfluss des Bundeslandes
Erkundung des Effektes der Regierungsbeteiligung auf Bundesebene
Effekt der Regierungsbeteiligung bei unterschiedlichem Alter
Erkundung des Effektes der Regierungsbeteiligung auf Landesebene
Effekt der Regierungsbeteiligung bei unterschiedlichem Alter
Effekt der Regierungsbeteiligung mit unterschiedlichem Lag
Research Reports
Working papers
Transformation of Religious Cleavages in Western Europe
On Models for Categorical Dependent Variables
The RiLe Index of Party Ideology - A Reductio
Education and Voting in Germany in Long-Term Perspective
Valence or Position? Unified Conception of Party Competition
Political Context and the Formation of Party Identification in the United States
A New Approach to the Analysis of Tactical Voting
Strategic Voting and Ticket-Splitting in Germany
Party Families and Conceptions of Party Ideology
The Political Demobilisation of the Working Class in Germany
Campaign Dynamics and Strategic Voting in UK Parliamentary Elections
On the Distinctiveness of Party Families
Measuring Politcal Knowledge: The Problem of Cross-National Equivalence
Data
Data on Parties’ Positions in Multiple Dimensions across Time and Space
Teaching
Topics
Political Sociology and Political Behaviour
Comparative Politics
Social Science Research Methods
Institutions
Zeppelin-Universität Friedrichshafen
Universität Konstanz
University Essex, Department of Government
Universität Mannheim
Essex Summer School in Data Analysis and Collection
GESIS - Mathematical Tools for Social Scientists
Software
memisc: Management of Survey Data and Presentation of Analysis Results
"memisc" on CRAN
"memisc" on GitHub
Documentation
User guides
Handling Questionnaire Items
Motivation
Standard attributes of survey items
Value labels
Missing values
Other attributes of survey items
Codebooks of survey items
Data sets: Containers of survey items
The structure of “data.set” objects
Manipulating data in data sets
Codebooks of data sets
Translating data sets into data frames
More tools for data preparation
Recoding
Case distinctions
Motivation
The role of “importer” objects
Importing data from SPSS files
Importing from a SPSS “system” file
Import from a SPSS “portable” file
Import from a fixed-width file accompanied by SPSS syntax
Importing data from a Stata file
The “mtable” function
Choosing what information is presented in the table and how {#displopt}
Estimates, standard errors, confidence intervals etc. {#standard-errors-confidence-intervals}
Summary statistics
Exporting mtable results
LaTeX Format
Text file format (tab-delimited and “CSV”)
HTML (for web-pages, knitr reports and word processors)
Adapting mtable to new model classes and other tricks - the API of mtable
A demonstration: “mtable” and sandwich estimators of variance
Motivation
Creating Tables of Descriptive Statistics
Formatting Tables of Descriptive Statistics
Introduction
Reading In a “Portable” SPSS Data File
Reading In a Subset of the Data
Analysis
Some Descriptive Analyses
Logit Modelling of Candidate Choice
Manual pages
Introduction to the ‘memisc’ Package
Description
Data preparation and management
Survey Items
More Convenient Import of External Data
Recoding
Code Books
Data Analysis
Tables and Data Frames of Descriptive Statistics
Per-Subset Analysis
Presentation of Results of Statistical Analysis
Publication-Ready Tables of Coefficients
LaTeX Representation of R Objects
Programming
Looping over Variables
Changing Names of Objects and Labels of Factors
Dimension-Preserving Versions of
lapply
and
sapply
Combining Vectors and Arrays by Names
Reordering of Matrices and Arrays
Conditional Evaluation of an Expression
Description
Usage
Arguments
Value
Examples
Vectors of Univariate Sample Statistics
Description
Usage
Arguments
Value
Examples
Loop over Variables in a Data Frame or Environment
Description
Usage
Arguments
Examples
Operate on grouped data in data frames and data sets
Description
Usage
Arguments
Details
Examples
Convert Annotations, and Value Labels between Encodings
Description
Usage
Arguments
Value
See also
Examples
Create a list and conveniently supply names to its elements
Description
Usage
Arguments
Examples
Reshape data frames or data sets
Description
Usage
Arguments
Examples
A Dimension Preserving Variant of “sapply” and “lapply”
Description
Usage
Arguments
Value
Examples
Substitutions in Language Objects
Description
Usage
Arguments
Value
Details
Examples
One-Dimensional Table of Frequences and/or Percentages
Description
Usage
Arguments
Value
Examples
Write Codebooks and Variable Descriptions into a Text File
Description
Usage
Arguments
Adding Annotations to Objects
Description
Usage
Arguments
Value
Examples
Apply a Formatting Template to a Numeric or Character Vector
Description
Usage
Arguments
Value
Details
Examples
Converting Data Frames into Arrays
Description
Usage
Arguments
Value
Examples
Construction of Lists of Symbols
Description
Usage
Arguments
Value
Examples
Distinguish between Cases Specified by Logical Conditions
Description
Usage
Arguments
Value
Details
Examples
Generate a Codebook of a Data Set
Description
Usage
Arguments
Value
Examples
Describe structure of Data Sets and Importers
Description
Usage
Arguments
Value
Examples
Collect Objects
Description
Usage
Arguments
Value
Examples
Convenience Methods for Setting Contrasts
Description
Usage
Arguments
Value
Examples
Data Set Objects
Description
Usage
Arguments
Value
Details
Examples
Manipulation of Data Sets
Description
Usage
Arguments
Examples
Handle duplicated labels
Description
Usage
Arguments
Value
Examples
Change dimnames, rownames, or colnames
Description
Usage
Arguments
Value
Details
Examples
Check for and report duplicated labels
Description
Usage
Arguments
Value
Examples
Format Objects in HTML, show the HTML Format or Write it to a File
Description
Usage
Arguments
Value
Format Codebooks as HTML
Description
Usage
Arguments
See also
Format “Flattened Tables” as HTML
Description
Usage
Arguments
See also
Combining flattened tables.
Description
Usage
Arguments
Value
Examples
Generic Tables and Data Frames of Descriptive Statistics
Description
Usage
Arguments
Value
Details
See also
Examples
Get Model Summaries for Use with “mtable”
Description
Usage
Arguments
Value
Details
Building Blocks for HTML Code
Description
Usage
Arguments
Details
Examples
Object Oriented Interface to Foreign Files
Description
Usage
Arguments
Value
Details
See also
Examples
Survey Items
Description
Usage
Arguments
See also
Examples
How Survey Items Are Converted into “Ordinary” Data Vectors
Description
Usage
Arguments
Value
See also
Examples
Value Labels
Description
Usage
Arguments
Examples
Levels of Measurement of Survey Items
Description
Usage
Arguments
Value
See also
Examples
Deprecated Functions in Package memisc
Description
Usage
Arguments
Comparative Table of Model Estimates
Description
Usage
Arguments
Value
Details
Examples
Format for ‘mtable’ Objects for Writing into File
Description
Usage
Arguments
Value
HTML Formatting for ‘mtable’ Results
Description
Usage
Arguments
Value
Examples
Format ‘mtable’ Results for LaTeX
Description
Usage
Arguments
Value
Print Format for ‘mtable’ Objects
Description
Usage
Arguments
Value
Negative Match
Description
Usage
Arguments
Value
Examples
Table of Percentages with Percentage Base
Description
Usage
Arguments
Value
Examples
Easy Creation of Tables of Percentages
Description
Usage
Arguments
Value
Examples
Query an Object for Information
Description
Usage
Arguments
Value
Examples
Recode Items, Factors and Numeric Vectors
Description
Usage
Arguments
Value
Details
See also
Examples
Change labels of factors or labelled objects
Description
Usage
Arguments
Value
Details
Examples
Change Names of a Named Object
Description
Usage
Arguments
Value
Details
Examples
Reorder an Array or Matrix
Description
Usage
Arguments
Value
Details
See also
Examples
Retain Objects in an Environment
Description
Usage
Arguments
Examples
Take a Sample from a Data Frame-like Object
Description
Usage
Arguments
Value
Examples
Convenience Methods to Sort Data Frames and Data Sets
Description
Usage
Arguments
Value
Examples
Convenience wrappers for common statistical functions
Description
Usage
Arguments
Formatting Styles for Coefficients, Factor Contrasts, and Summary Statistics
Description
Usage
Arguments
Details
Syntactic Sugar for Setting Annotations and Attributes
Description
Usage
Arguments
Examples
Interface to Packages ‘tibble’ and ‘haven’
Description
Usage
Arguments
Value
Convert an Array into a Data Frame
Description
Usage
Arguments
Value
Examples
Additional Methods for LaTeX Representations for R objects
Description
Usage
Arguments
Examples
Named Lists, Lists of Items, and Atomic Vectors
Description
Examples
Value Filters
Description
Usage
Arguments
Value
Examples
A Generic Viewing Function
Description
Usage
Arguments
Examples
HTML Output for ‘view.
Description
Usage
Arguments
Examples
Table of frequencies for unlabelled codes
Description
Usage
Arguments
Value
Add Alternative Variance Estimates to Models Estimates
Description
Usage
Arguments
Value
Details
Examples
Index
Recent news
Examples
mclogit: Multinomial Logit Models, with or without Random Effects or Overdispersion
mclogit on CRAN
Baseline-category logit models
Conditional logit models
Random effects in baseline logit models and conditional logit models
Documentation of the Package
Manual pages
Choice of Means of Transport
Description
Usage
Overdispersion in Multinomial Logit Models
Description
Usage
Arguments
Examples
Class, Party Position, and Electoral Choice
Description
Usage
Examples
getSummary
Methods
Description
Usage
Arguments
Examples
Baseline-Category Logit Models for Categorical and Multinomial Responses
Description
Usage
Arguments
Value
Details
See also
Examples
Conditional Logit Models and Mixed Conditional Logit Models
Description
Usage
Arguments
Value
Notes
See also
Examples
Internal functions used for model fit.
Description
Usage
Arguments
Value
Control Parameters for the Fitting Process
Description
Usage
Arguments
Value
Predicting responses or linear parts of the baseline-category and conditional logit models
Description
Usage
Arguments
Value
Examples
Simulating responses from baseline-category and conditional logit models
Description
Usage
Arguments
Value
Examples
Index
Technical documentation
The relation between baseline logit and conditional logit models
The IWLS algorithm used to fit conditional logit models
Approximate Inference for Multinomial Logit Models with Random Effects
The problem
The Laplace approximation and PQL
Laplace approximation
Penalized quasi-likelihood (PQL)
The Solomon-Cox approximation and MQL
The Solomon-Cox approximation
Marginal quasi-likelhood (MQL)
References
References
munfold: Metric Multidimensional Unfolding in R
Documentation
Manual pages
Metric Unfolding
Description
Usage
Arguments
Value
Details
Examples
Procrustes Rotation
Description
Usage
Arguments
Value
Index
mpred: Generic Predictive Margins
Documentation
Manual pages
Confidence/prediction interval based on a normal distribution
Description
Usage
Arguments
Generic function to preduce predictive margins
Description
Usage
Arguments
Value
Details
Examples
Index
manifestos: Spatial Modelling of Party Manifestos (and other political texts)
Documentation
Manual pages
latpos
Description
Usage
Arguments
Value
Examples
latpos_restrictions
Description
Usage
Arguments
Value
latpos_tunefit
Description
Usage
Arguments
sampler
Description
Usage
Arguments
Value
Index
Downloads
iimm: Improved Inference for Multilevel Models with Few Clusters
Documentation
Manual pages
lmer_t
Description
Usage
Arguments
Value
Index
EMfit: An Infrastructure for Latent Variable Model Fitting using EM Algorithms
Documentation
Manual pages
EMfit
Description
Usage
Arguments
Value
Mstep.default
Description
Usage
Arguments
Value
Index
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