add_points: Add points to an ENA plot

In rENA: Epistemic Network Analysis

Add points to an ENA plot

Description

This function adds points to an existing ENA plot or ENA set. It supports various input types for the 'wh' parameter, including unevaluated expressions and language objects.

Usage

add_points(x, wh = NULL, ..., colors = NULL)

Arguments

x	An 'ENAplot' object or an ENA set containing plots.
wh	Specifies the points to plot. Can be an unevaluated expression or a language object.
...	Additional parameters passed to the plotting functions.
colors	A vector of colors for the plotted points. Default is 'NULL'.

Details

The function determines the type of the 'wh' parameter and processes it accordingly: - If 'wh' is an unevaluated expression, it is captured and evaluated in the parent frame. - If 'wh' is a language object, it is processed to extract the relevant points information.

The function updates the plot with the new points and stores the updated plot back in the ENA set.

Value

Invisibly returns the modified ENA set.

Examples

# Load test data
data(RS.data);

# Define codenames for the test
codenames <- c("Data", "Technical.Constraints", "Performance.Parameters",
  "Client.and.Consultant.Requests", "Design.Reasoning", "Collaboration");

# Standard ENA accumulation
accum <- rENA:::ena.accumulate.data.file(
  RS.data, units.by = c("UserName", "Condition"),
  conversations.by = c("ActivityNumber", "GroupName"),
  codes = codenames
);
# Create a standard ENA set 
newset <- ena.make.set(accum);

# Simple plot for a set of points, and their mean
newplot <- plot(newset) |> 
  add_points(Condition$FirstGame, mean = TRUE, colors = "blue") |> 
  add_network();

# Plot a single unit's point and it's line.weights
plot(newset) |> 
  add_points(UserName$`steven z`) |> 
  add_network();

# Trajectory accumulation and plotting
trajectory_accumulation <- rENA:::ena.accumulate.data.file(
  RS.data, units.by = c("UserName", "Condition"),
  conversations.by = c("ActivityNumber", "GroupName"),
  codes = codenames,
  model = "A"
);
trajectory_model <- ena.make.set(trajectory_accumulation);

newplot3 <- plot(trajectory_model) |> 
  add_trajectory(Condition$FirstGame);

rENA documentation built on Nov. 5, 2025, 5:50 p.m.