After you have collected any kind of Observation Codes, INTERACT offers you a range of charts, statistics and analysis routines.
| TIP: | To play around with the statistic routines, even before you have any real data collected, simply create some sample data with the help of available routines under Open  > Demos, as described in Examine Demo Files. |
Note: For overall analysis, it is best to first merge your separate observation files.
Should you discover that the resulting structure in your merged data files does not provide all the answers you need, INTERACT offers various re-structuring routines to you turn you structure up-side-down or sideways, to get the results you need.
IMPORTANT: Be aware that you may need several, differently structured, compilation files with all your data, in order to answer all of your research questions.
But with INTERACT, re-structuring does NOT require to re-do your observations!
Analysis Tab Functionalities
These are the statistics available from within the Analysis tab:
 | DataSet based Statistics - A basic introduction to a powerful tool called Time Line Chart can be found in DataSet based Statistics. The Time Line Chart chronologically visualizes your Codes and offers various export routines as well as reports, with plain statistical values like Frequency, Duration, and Percentage over time, Gap count, etc. |
| Class based Statistics - If you need your statistics for frequency and duration, accumulated over all selected DataSets, use the functions described in Class based Statistics. |
| Contingency Analysis - If you are interested in the number of times a certain Code, is followed by another specific Code (within a certain time frame) and want to create new Events, that cover those distances between those two Codes; take a look at the Contingency Analysis |
| Latency analysis - Finding the first occurrence of a specific Code, after a certain point in time, is just a piece of cake. For details read Latency Analysis. |
| Kappa calculation - Compare the reliability of coded Events from two observers, with just a few mouse clicks (based on Cohen's Kappa). The INTERACT Kappa routine is explained in Kappa - Inter Rater Reliability. |
| Inter Class Correlations - How to describe the statistical resemblance of your numerical Codes, per Class and between multiple raters, is explained in ICC - Intraclass Correlation. |
Additional Helpful Routines
Various statistical routines, are not accessible directly from the Analysis tab, partly because they are based on the information as shown in the Time Line Chart and partly because, they are more based on data restructuring than 'real' statistics as such:
| Merge multiple documents - Many analysis routines, become quite time consuming, if you need to perform them, for every single document in your study, separately. Therefore, we advise you to merge all your original documents of one study into one big compilation file. How to do this with the help of INTERACT is explained in Merge Documents. |
| Find co-occurring Codes - To identify all parts, where a specified combination of Codes is coded simultaneously, INTERACT's Co-occurrence Filter is exactly what you need. To find all Codes that co-occur at some point with a specific behavior, you need the Trim on Code filter. Both filters are only accessible from within the Time Line Chart. |
| Numerical Scale Statistics - If you code scale based ratings, your Codes can be compared differently than with plain text Codes. A special routine provides you with additional statistical results, as is described in Rating Scales. |
| Interval based exports - To cut your event based data into interval based 'slices', showing you all coded information per predefined time interval, is an often-requested feature. The necessary routines for this can again be found in the Time Line Chart. Read Interval based Export for details. |
| Synchronize Data for Comparison - If you want to analyze and compare what happened after a certain Event occurred, take a look at the example described in Synchronize Data for Comparison. |
| Identify chains of Events - Everybody who does research on interactive couples, or observes anything performing specific unpredictable sequences of various actions, can use the function Identify Chains of Events at some point in time. |
| Duration of single codings - To export the separate duration values, for each time a certain Code was logged, INTERACT offers a routine Start - Current Document - Export  > called Duration of Single Codings. |
| TIP: | Remember to consult the corresponding topics for further details! |