Data frame manipulations Quiz

1 Data

2 Transformation 1

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	pop	gdpPercap
Czech Republic	2002	10256295	17596.21
Germany	2002	82350671	30035.80
Czech Republic	2007	10228744	22833.31
Germany	2007	82400996	32170.37

3 Transformation 2

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	pop	gdpPercap
Germany	2002	82350671	30035.80
Germany	2007	82400996	32170.37

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	pop	gdpPercap
Germany	2002	82350671	30035.80
Germany	2007	82400996	32170.37

4 Transformation 3

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	pop
Czech Republic	2002	10256295
Czech Republic	2007	10228744
Germany	2002	82350671
Germany	2007	82400996

5 Transformation 4

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

pop	gdpPercap	year	country
10256295	17596.21	2002	Czech Republic
10228744	22833.31	2007	Czech Republic
82350671	30035.80	2002	Germany
82400996	32170.37	2007	Germany

6 Transformation 5

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	POPULATION	gdpPercap
Czech Republic	2002	10256295	17596.21
Czech Republic	2007	10228744	22833.31
Germany	2002	82350671	30035.80
Germany	2007	82400996	32170.37

7 Transformation 6

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	meanGDPcap
Czech Republic	20214.76
Germany	31103.09

8 Transformation 6

Warning in attr(x, "align"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

Warning in attr(x, "format"): 'xfun::attr()' is deprecated.
Use 'xfun::attr2()' instead.
See help("Deprecated")

country	year	pop	gdpPercap	continent	lifeExp
Czech Republic	2002	10256295	17596.2102	NA	NA
Czech Republic	2007	10228744	22833.3085	NA	NA
Germany	2002	82350671	30035.8020	NA	NA
Germany	2007	82400996	32170.3744	NA	NA
Afghanistan	1952	8425333	779.4453	Asia	28.801