Bug introduced in 10.0 and fixed in 10.1
I am trying to use the Dataset functionality which was introduced in Mathematica 10.0 :
dataset = Dataset[{
<|"a" -> 1, "b" -> "x", "c" -> {1}|>,
<|"a" -> 2, "b" -> "y", "c" -> {2, 3}|>,
<|"a" -> 3, "b" -> "z", "c" -> {3}|>,
<|"a" -> 4, "b" -> "x", "c" -> {4, 5}|>,
<|"a" -> 5, "b" -> "y", "c" -> {5, 6, 7}|>,
<|"a" -> 6, "b" -> "z", "c" -> {}|>}]
But this gives me an error as show in the image below:
I tried the same syntax in combination with
Needs["TypeSystem`"];
but with the same result. How can I resolve this issue?
