setwd("/Users/sarcher/Desktop/R data/1_MOSAiC/") Data_logger <- read.csv("~/Desktop/R data/1_MOSAiC/1_Original data/FLOW_031119.csv", header = TRUE) library(tidyverse) library(dplyr) library(ggplot2) FW <- Data_logger head(FW) Plot_1 <- ggplot(FW) + geom_point(mapping=(aes(x = sec, y = flow_splm_Avg, colour = switch_Avg))) Plot_1 #dialing down the scales Plot_2 <- ggplot(FW) + geom_point(mapping=(aes(x = sec, y = flow_splm_Avg, colour = switch_Avg)))+ xlim(0, 4000) + ylim(4,7) + labs(title = "031119_SLPM") My_Theme = theme( axis.title.x = element_text(size = 20), axis.text.x = element_text(size = 16), axis.title.y = element_text(size = 20), axis.text.y = element_text(size = 16), legend.title = element_text(size =), title = element_text(size = 20)) Plot_2 + My_Theme