First Part of PHom Object

Returns the first part of a PHom instance.

# S3 method for PHom
head(x, ...)

Arguments

x	object of class PHom
...	other parameters

Examples

# create sample persistence data
df <- data.frame(dimension = c(0, 0, 1, 1, 1, 2),
                 birth = rnorm(6),
                 death = rnorm(6, mean = 15))
df_phom <- as.PHom(df)

# look at first 3 features
head(df_phom)
#>   dimension      birth    death
#> 1         0 -1.8638951 14.87582
#> 2         0 -1.2745089 14.38725
#> 3         1 -1.7817708 15.16066
#> 4         1 -0.5085934 14.33764
#> 5         1 -1.7368783 14.66515
#> 6         2  0.0404813 15.62301

# look at last 3 features
tail(df_phom)
#>   dimension      birth    death
#> 1         0 -1.8638951 14.87582
#> 2         0 -1.2745089 14.38725
#> 3         1 -1.7817708 15.16066
#> 4         1 -0.5085934 14.33764
#> 5         1 -1.7368783 14.66515
#> 6         2  0.0404813 15.62301