training
training copied to clipboard
amplab
Training materials for Strata, AMP Camp, etc
1. In the Mesos REST section step 5 the curl command should use a single tick not a backquote (fails). 2. Cut/pasting the commands would work if you made $master_node_hostname...
Something that would give me a little better intuition about what I'm querying could be put in a little 2x2 explanatory chart: ``` select count from table select approx_count from...
There are a few links to docs in ~/pwendell that point to Spark 0.7-snapshot docs. We should update these docs or links for 0.8.
The hint on the Model assessment exercise says "Hint: map each row of featurizedData into a two-dimensional MLRow, with the first element being the true label (the first column of...
``` NGrams.extractNGrams(taggedInputTable, c=1, n=2, k=1000, stopWords = NGrams.stopWords) ``` Might be nice to say what c, n, and k are. I'm presuming n is the n in n-gram and k...
I had to tell people to put a semi-colon after this line: val label = if(r(0).toString == "ARTS") 1.0 else -1.0 Because they paste it as a single line and...
Classes are currently -1 and 1, but binary classification is being changed to 0, and 1. This example will break in the future. (I'm just parroting what I've been told)
Totally unclear to me why we need to declare the sample size or the original table's size. Where is this actually used (please tell me why I need to declare...
By default, Shark and BlinkDB share a lock on the Hive metastore. This can cause the following error if you execute a query while you have both Shark and BlinkDB...
My scala editing felt, well, you know, a little _empty_. Wouldn't want the world to think you were all secret vi fans.