问题描述
df = read_excel(file.choose(),range = cell_cols("F"))
df1 = data.frame(df)
dfclean = df1[!is.na(df1)]
dff = data.frame(dfclean)
labq = seq(0,950,50)
ggplot(data = dff,aes(x = as.factor(1:dim(dff)[1]),y = dfclean)) +
geom_histogram(stat ='identity',fill = "#69b3a2",alpha = 0.9) +
geom_density() +
ggtitle('Chi-quadradas com 4 gl') +
theme(plot.title = element_text(hjust = 0.5)) +
labs(x = 'Observações',y = 'Valor obtido') +
scale_x_discrete(breaks=labq,labels=as.character(labq))
然而,这会产生 There were 50 or more warnings (use warnings() to see the first 50)
错误,同时不会返回所需的图(仅显示直方图)。我该怎么办?
解决方法
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