ShinyItemAnalysis Version 0.1

This application is developed with
Shiny.

**Authors**
Patricia Martinkova, Institute of Computer Science, Czech Academy of Sciences

Ondrej Leder

**List of Packages Used**
`library(shiny)`

`library(shinyAce)`

`library(psych)`

`library(CTT)`

`library(ltm)`

`library(moments)`

`library(foreign)`

`library(nnet)`

`library(ggplot2)`

`library(reshape2)`

`library(psychometric)`

**Bug Reports**
If you discover a problem with this application please contact the project maintainer at martinkova(at)cs.cas.cz

**Acknowledgments**
Project was supported by grant funded by Czech Science foundation under number
GJ15-15856Y

**License**
Copyright 2015 Patricia Martinkova and Ondrej Leder

This program is free software you can redistribute it and or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation either version 3 of the License or
at your option any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

### Data Specification

### Data Check

### Key

### Summary of Total Scores

### Histogram of Total Scores

### Boxplot of Total Scores

### Histogram of Total Score by Points

### Table by Score

### Difficulty Graph

**Explanation:**
Difficulty of item is estimated as percent of students who answered correctly to that item. Discrimination is described by ULI (Upper-Lower Index) and by rule of thumb it should not be lower than 0.2 (borderline in the plot), except for very easy or very difficult items.

### Item Exam

### Table with Counts

### Table with Proportions

### Plot with Curve

### Table of parametres

### Plot with Curve

### Table of parametres

### Plot with Curve

### Table of parametres

### Plot with Curve

### Item information curves

### Test information function

### Table of coefficients

### Item characterisic curves

### Item information curves

### Test information function

### Table of coefficients

### Item characterisic curves

### Item information curves

### Test information function

### Table of coefficients