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Summary

Description
English: Primary vote opinion polling for the Western Australian 2025 election with a local regression (LOESS) trendline for each party.
Date
Source Own work
Author Samsam21amb

Last updated: 7 March 2025

Graph relies on published opinion polls from 2025 Western Australian State Election #Opinion Polling

Made with R, code below: 

# Load necessary library
library(ggplot2)

# Data setup
data <- data.frame(
  Date = as.Date(c("2025-03-04", "2025-02-27", "2025-01-29", "2024-10-30", "2024-09-01", 
					"2024-08-01", "2024-07-01", "2023-12-14", "2023-07-23", "2023-05-31",  "2021-03-13")),
  ALP = c(43, 44, 42, 41, 39, 37, 39, 44, 32, 52, 59.9),
  LIB = c(30, 29, 32, 34, 32, 29, 33, 29, 37, 28, 21.3),
  NAT = c(5, 5, 3, 4, 6, 3, 5, 4, 6, 5, 4),
  GRN = c(11, 10, 12, 12, 11, 12, 12, 11, 10, 8, 6.9),
  ONP = c(NA, 3, 4, NA, NA, 4, 2, 3, NA, NA, 1.3),
  OTH = c(11, 9, 7, 9, 12, 15, 9, 9, 15, 7, 6.6)
)

# Convert data to long format manually
data_long <- data.frame(
  Date = rep(data$Date, 6),
  Party = rep(c("ALP", "LIB", "NAT", "GRN", "ONP", "OTH"), each = nrow(data)),
  Vote = c(data$ALP, data$LIB, data$NAT, data$GRN, data$ONP, data$OTH)
)

# Remove rows with missing values
data_long <- data_long[!is.na(data_long$Vote), ]

# Plot
ggplot(data_long, aes(x = Date, y = Vote, color = Party)) +
  geom_point() +
  geom_smooth(method = "loess", se = FALSE) +
  scale_color_manual(values = c("ALP" = "red", "LIB" = "blue", "NAT" = "darkgreen", 
								"GRN" = "green", "ONP" = "orange", "OTH" = "grey")) +
  labs(title = "2025 Western Australia State Election Primary Vote Opinion Polling",
       x = "Date",
       y = "Primary Vote (%)",
       color = "Party") +
  theme_minimal() +
  theme(axis.text.x = element_text(angle = 45, hjust = 1))

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Captions

Primary vote opinion polling for the Western Australian 2025 election with a local regression (LOESS) trendline for each party.

Items portrayed in this file

depicts

inception

26 November 2024

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image/png

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Date/TimeThumbnailDimensionsUserComment
current03:20, 7 March 2025Thumbnail for version as of 03:20, 7 March 2025876 × 384 (10 KB)Samsam21ambupdated for march 2025, likely final form of the graph
10:07, 9 February 2025Thumbnail for version as of 10:07, 9 February 2025768 × 384 (9 KB)Samsam21ambupdated for a new poll
22:56, 26 November 2024Thumbnail for version as of 22:56, 26 November 2024768 × 384 (9 KB)Samsam21ambUploaded own work with UploadWizard

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