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--- b:head_first_statistics:visualization [2024/09/04 08:36] – [Scatter plot] hkimscil
+++ b:head_first_statistics:visualization [2024/09/04 08:49] (current) – [Scatter plot] hkimscil
@@ Line 151: / Line 151: @@
 </code>
 {{:b:head_first_statistics:pasted:20240904-083157.png}}
+Outlier에 대한 주의
+[{{:pearson-6.png? |}}]
+<WRAP clear />
 A bit more fancy line
@@ Line 164: / Line 169: @@
 <WRAP clear />
-see
+====== Presentation ======
+For a very good example, see
 https://www.gapminder.org/answers/how-does-income-relate-to-life-expectancy/
   * Life expectancy data: {{:life.exp.csv}}
-<code>
+<WRAP clear/>
-le <- as.data.frame(read.csv("http://commres.net/wiki/_media/life.exp.csv", header=T))
+====== Histogram skewedness ======
-colnames(le)[1] <- "c.code" # not really necessary. But, sometimes imported first characters are broken.
-lea <- le$X2017
-leb <- lea[complete.cases(lea)]
-hist(leb, color="grey")
-</code>
-[{{:c:ps1-1:2019:pasted:20190909-110252.png|Life expectancy in 2017}}]
-<WRAP clear/>.
-[{{:c:ps1-1:2019:pasted:20190909-104759.png|Distribution of temperature}}]
-<WRAP clear/>.
 [{{:c:ps1-1:2019:pasted:20190909-111117.png|skewness}}]
 <WRAP clear/>.
 [{{:c:ps1-1:2019:pasted:20190909-111001.png|modality}}]
 <WRAP clear/>.
-box plot
+====== box plot ======
 <code>
 # Boxplot of MPG by Car Cylinders