Fix Colab notebook link
Fix notebook link to open in Colab.
_The documentation is not available anymore as the PR was closed or merged._ <details>
<summary>Show benchmarks</summary>

PyArrow==6.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.011196 / 0.011353 (-0.000157) | 0.006039 / 0.011008 (-0.004969) | 0.122497 / 0.038508 (0.083989) | 0.043884 / 0.023109 (0.020774) | 0.372982 / 0.275898 (0.097084) | 0.444229 / 0.323480 (0.120749) | 0.009489 / 0.007986 (0.001503) | 0.004612 / 0.004328 (0.000284) | 0.093921 / 0.004250 (0.089670) | 0.052698 / 0.037052 (0.015646) | 0.372327 / 0.258489 (0.113838) | 0.426586 / 0.293841 (0.132745) | 0.046755 / 0.128546 (-0.081792) | 0.014848 / 0.075646 (-0.060799) | 0.410474 / 0.419271 (-0.008798) | 0.058206 / 0.043533 (0.014674) | 0.367051 / 0.255139 (0.111912) | 0.389950 / 0.283200 (0.106750) | 0.120857 / 0.141683 (-0.020826) | 1.795195 / 1.452155 (0.343040) | 1.823938 / 1.492716 (0.331222) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.215199 / 0.018006 (0.197192) | 0.482420 / 0.000490 (0.481930) | 0.001834 / 0.000200 (0.001634) | 0.000099 / 0.000054 (0.000044) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.034483 / 0.037411 (-0.002928) | 0.135503 / 0.014526 (0.120977) | 0.149991 / 0.176557 (-0.026565) | 0.198482 / 0.737135 (-0.538653) | 0.153556 / 0.296338 (-0.142783) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.504492 / 0.215209 (0.289283) | 4.950949 / 2.077655 (2.873294) | 2.251186 / 1.504120 (0.747067) | 2.049195 / 1.541195 (0.508000) | 2.123325 / 1.468490 (0.654835) | 0.865651 / 4.584777 (-3.719126) | 4.652297 / 3.745712 (0.906585) | 4.417260 / 5.269862 (-0.852602) | 2.362390 / 4.565676 (-2.203287) | 0.098845 / 0.424275 (-0.325430) | 0.014675 / 0.007607 (0.007068) | 0.608048 / 0.226044 (0.382003) | 6.063863 / 2.268929 (3.794935) | 2.753041 / 55.444624 (-52.691583) | 2.340961 / 6.876477 (-4.535516) | 2.511934 / 2.142072 (0.369862) | 0.989297 / 4.805227 (-3.815930) | 0.195770 / 6.500664 (-6.304894) | 0.076027 / 0.075469 (0.000558) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.479617 / 1.841788 (-0.362170) | 18.917860 / 8.074308 (10.843552) | 18.219594 / 10.191392 (8.028202) | 0.218494 / 0.680424 (-0.461930) | 0.037207 / 0.534201 (-0.496994) | 0.571543 / 0.579283 (-0.007741) | 0.527884 / 0.434364 (0.093520) | 0.658661 / 0.540337 (0.118324) | 0.755449 / 1.386936 (-0.631487) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.008762 / 0.011353 (-0.002591) | 0.006019 / 0.011008 (-0.004989) | 0.118756 / 0.038508 (0.080248) | 0.039584 / 0.023109 (0.016474) | 0.400127 / 0.275898 (0.124229) | 0.468114 / 0.323480 (0.144634) | 0.006771 / 0.007986 (-0.001215) | 0.004689 / 0.004328 (0.000360) | 0.087274 / 0.004250 (0.083023) | 0.055548 / 0.037052 (0.018496) | 0.419901 / 0.258489 (0.161412) | 0.459516 / 0.293841 (0.165675) | 0.044197 / 0.128546 (-0.084349) | 0.014162 / 0.075646 (-0.061484) | 0.409634 / 0.419271 (-0.009638) | 0.058668 / 0.043533 (0.015135) | 0.404758 / 0.255139 (0.149619) | 0.431562 / 0.283200 (0.148363) | 0.122361 / 0.141683 (-0.019322) | 1.726597 / 1.452155 (0.274442) | 1.798977 / 1.492716 (0.306260) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.250831 / 0.018006 (0.232825) | 0.489811 / 0.000490 (0.489321) | 0.000490 / 0.000200 (0.000290) | 0.000071 / 0.000054 (0.000016) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.035666 / 0.037411 (-0.001745) | 0.134899 / 0.014526 (0.120374) | 0.153156 / 0.176557 (-0.023401) | 0.202409 / 0.737135 (-0.534726) | 0.157350 / 0.296338 (-0.138989) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.522464 / 0.215209 (0.307254) | 5.204449 / 2.077655 (3.126794) | 2.617410 / 1.504120 (1.113290) | 2.406246 / 1.541195 (0.865052) | 2.494487 / 1.468490 (1.025997) | 0.834923 / 4.584777 (-3.749854) | 4.794186 / 3.745712 (1.048474) | 2.617939 / 5.269862 (-2.651922) | 1.648310 / 4.565676 (-2.917367) | 0.109785 / 0.424275 (-0.314490) | 0.015217 / 0.007607 (0.007610) | 0.682970 / 0.226044 (0.456926) | 6.853894 / 2.268929 (4.584966) | 3.277150 / 55.444624 (-52.167475) | 2.832502 / 6.876477 (-4.043975) | 2.984874 / 2.142072 (0.842802) | 1.005307 / 4.805227 (-3.799921) | 0.200623 / 6.500664 (-6.300041) | 0.076852 / 0.075469 (0.001383) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.556656 / 1.841788 (-0.285131) | 19.088978 / 8.074308 (11.014669) | 16.946406 / 10.191392 (6.755014) | 0.204419 / 0.680424 (-0.476004) | 0.021456 / 0.534201 (-0.512745) | 0.523603 / 0.579283 (-0.055680) | 0.530067 / 0.434364 (0.095703) | 0.604058 / 0.540337 (0.063721) | 0.731531 / 1.386936 (-0.655405) |

</details>
</details>

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