The tab1 function in the epidisplay package of R language calculates the frequency of vector data and visualizes it (one-dimensional frequency table, frequency percentage, cumulative percentage, using

R Language use epiDisplay Bag tab1 Function to calculate the frequency of vector data and visualize （tab1 Function to calculate the one-dimensional frequency table of data 、 Percentage of frequency included 、 Cumulative percentage 、 Use a bar graph to visualize the frequency distribution ）、 Use cex.lab Valuepoint custom frequency bar bar axis label text font size