General
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col = lightyellow
main = By Group)
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132,708 skills indexed with the new KISS metadata standard.
Showing 24 of 132,708Categories: Data & Insights, Data, Coding & Debugging, Education, General
Data
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boxplot(value ~ group
data = df
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General
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main = Distribution
xlab = Value)
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General
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barplot(table(df$category)
main = Counts
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General
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hist(x
breaks = 30
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General
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col = lightblue
las = 2)
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General
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pch = 19
col = steelblue
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General
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lines(x
y2
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General
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plot(x
y
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General
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chunk <- readLines(con
n = 100)
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General
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plot(x
y
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General
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con <- file(big.csv
r)
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General
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RDS (single R object
preserves types)
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General
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save(df1
df2
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Data
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saveRDS(obj
data.rds)
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Data
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df <- read.csv(data.csv
stringsAsFactors = FALSE)
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Data
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df <- read.table(data.txt
header = TRUE
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General
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grepl(pattern
x) # logical vector
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General
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strsplit(a
b
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General
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grep(pattern
x) # indices of matches
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General
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substr(hello
1
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General
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gsub(old
new
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General
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sprintf(%.2f%%
3.14159) # 3.14%
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Data
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aggregate(value ~ group
data = df
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