Wolfram Data Repository
Immediate Computable Access to Curated Contributed Data
Various health-related parameters collected from individuals in coronary heart disease study
| In[1]:= | ![ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/608381b7333c6312.png) | 
| Out[1]= |  | 
Data dimensions:
| In[2]:= | ![Dimensions[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)]]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/24c00ce5da4dc3ed.png) | 
| Out[2]= |  | 
Column keys and descriptions:
| In[3]:= | ![ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\), "ColumnKeys"]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/46b4741b2125c7ea.png) | 
| Out[3]= |  | 
| In[4]:= | ![ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\), "ColumnDescriptions"] // Dataset](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/16b14f5992edab3b.png) | 
| Out[4]= |  | 
Column types:
| In[5]:= | ![ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\), "ColumnTypes"]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/20cee13fefce26a6.png) | 
| Out[5]= |  | 
Compute mean heart rate and mean blood sugar level for each of the diagnosis groups:
| In[6]:= | ![PivotTable[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)], {"mean hr" -> (Mean[#"Heart Rate"] &), "mean blood sugar" -> (Mean[#"Blood Sugar"] &)}, "Diagnosis", IncludeGroupAggregates -> True]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/5b213b53c7565a07.png) | 
| Out[6]= |  | 
Tally thallium stress test results:
| In[7]:= | ![AggregateRows[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)], "counts" -> Function[Length[#Thallium]], "Thallium"]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/58ebe3e67f6b88ec.png) | 
| Out[7]= |  | 
There are non-numeric values in Thallium column - therefore the type of that column is not numeric:
| In[8]:= | ![ColumnTypes[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)]]["Thallium"]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/003cfff1bb63862f.png) | 
| Out[8]= |  | 
Plot blood pressure as a function of age:
| In[9]:= | ![ListPlot[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)] -> {"Age", "Cholesterol"}, AxesLabel -> {"Age", "Cholesterol"}]](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/2a7243187ce8155c.png) | 
| Out[9]= |  | 
The correlation:
| In[10]:= | ![AggregateRows[ResourceData[\!\(\*
TagBox["\"\<Sample Tabular Data: Cardiac Disease\>\"",
#& ,
BoxID -> "ResourceTag-Sample Tabular Data: Cardiac Disease-Input",
AutoDelete->True]\)], "correlation" -> Function[N[Correlation[#Cholesterol, #Age]]]] // Normal](https://www.wolframcloud.com/obj/resourcesystem/images/84e/84ea1338-f2c9-417d-a100-8fca557effc5/5f70d10a432dbe35.png) | 
| Out[10]= |  | 
Gosia Konwerska, "Sample Tabular Data: Cardiac Disease" from the Wolfram Data Repository (2024)