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morpheus.js
Commit 07e2e2a5 authored by jgould's avatar jgould
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handle array values

parent 36d6bf83
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Showing with 122 additions and 76 deletions
src/matrix/vector_util.js
View file @ 07e2e2a5
morpheus.VectorUtil = function () {
};
morpheus.VectorUtil.createValueToIndicesMap = function (vector) {
morpheus.VectorUtil.createValueToIndexMap = function (vector, splitArrayValues) {
var map = new morpheus.Map();
var isArray = splitArrayValues && morpheus.VectorUtil.getDataType(vector)[0] === '[';
for (var j = 0, size = vector.size(); j < size; j++) {
var val = vector.getValue(j);
if (isArray) {
if (val != null) {
for (var k = 0; k < val.length; k++) {
map.set(val[k], j);
}
}
} else {
map.set(val, j);
}
}
return map;
};
morpheus.VectorUtil.createValueToIndicesMap = function (vector, splitArrayValues) {
if (!vector) {
throw 'vector is null';
}
var isArray = splitArrayValues && morpheus.VectorUtil.getDataType(vector)[0] === '[';
var map = new morpheus.Map();
for (var j = 0, size = vector.size(); j < size; j++) {
var val = vector.getValue(j);
if (isArray) {
if (val != null) {
for (var k = 0; k < val.length; k++) {
var list = map.get(val[k]);
if (list === undefined) {
list = [];
map.set(val[k], list);
}
list.push(j);
}
}
} else {
var list = map.get(val);
if (list === undefined) {
list = [];
......@@ -14,8 +46,10 @@ morpheus.VectorUtil.createValueToIndicesMap = function (vector) {
}
list.push(j);
}
}
return map;
};
morpheus.VectorUtil.createValueToCountMap = function (vector) {
if (!vector) {
throw 'vector is null';
......@@ -40,6 +74,48 @@ morpheus.VectorUtil.createValueToCountMap = function (vector) {
return map;
};
morpheus.VectorUtil.createValuesToIndicesMap = function (vectors) {
var map = new morpheus.Map();
var nvectors = vectors.length;
if (vectors[0] == null) {
throw 'no vectors found';
}
for (var i = 0, nitems = vectors[0].size(); i < nitems; i++) {
var array = [];
for (var j = 0; j < nvectors; j++) {
var vector = vectors[j];
var val = vector.getValue(i);
array.push(val);
}
var key = new morpheus.Identifier(array);
var list = map.get(key);
if (list === undefined) {
list = [];
map.set(key, list);
}
list.push(i);
}
return map;
};
morpheus.VectorUtil.createValuesToIndexMap = function (vectors) {
var map = new morpheus.Map();
var nvectors = vectors.length;
if (vectors[0] == null) {
throw 'no vectors found';
}
for (var i = 0, nitems = vectors[0].size(); i < nitems; i++) {
var array = [];
for (var j = 0; j < nvectors; j++) {
var vector = vectors[j];
var val = vector.getValue(i);
array.push(val);
}
var key = new morpheus.Identifier(array);
map.set(key, i);
}
return map;
};
morpheus.VectorUtil.createValuesToCountMap = function (vectors) {
var map = new morpheus.Map();
var nvectors = vectors.length;
......@@ -59,6 +135,46 @@ morpheus.VectorUtil.createValuesToCountMap = function (vectors) {
}
return map;
};
/**
*
* @param vector
* @param excludeNull
* @returns A sorted array of unique values contained in the vector. Note that array values are
* not split.
*/
morpheus.VectorUtil.getValues = function (vector, excludeNull) {
var set = new morpheus.Set();
for (var j = 0, size = vector.size(); j < size; j++) {
var val = vector.getValue(j);
if (excludeNull && val == null) {
continue;
}
set.add(val);
}
var array = set.values();
array.sort(morpheus.SortKey.ASCENDING_COMPARATOR);
return array;
};
morpheus.VectorUtil.getSet = function (vector, splitArrayValues) {
var set = new morpheus.Set();
var isArray = splitArrayValues && morpheus.VectorUtil.getDataType(vector)[0] === '[';
for (var j = 0, size = vector.size(); j < size; j++) {
var value = vector.getValue(j);
if (isArray) {
if (value != null) {
for (var k = 0, nvalues = value.length; k < nvalues; k++) {
set.add(value[k]);
}
}
} else {
set.add(value);
}
}
return set;
};
morpheus.VectorUtil.maybeConvertToStringArray = function (vector, delim) {
var newValues = [];
var regex = new RegExp(delim);
......@@ -101,47 +217,6 @@ morpheus.VectorUtil.maybeConvertStringToNumber = function (vector) {
vector.getProperties().set(morpheus.VectorKeys.DATA_TYPE, 'number');
return true;
};
morpheus.VectorUtil.createValuesToIndicesMap = function (vectors) {
var map = new morpheus.Map();
var nvectors = vectors.length;
if (vectors[0] == null) {
throw 'no vectors found';
}
for (var i = 0, nitems = vectors[0].size(); i < nitems; i++) {
var array = [];
for (var j = 0; j < nvectors; j++) {
var vector = vectors[j];
var val = vector.getValue(i);
array.push(val);
}
var key = new morpheus.Identifier(array);
var list = map.get(key);
if (list === undefined) {
list = [];
map.set(key, list);
}
list.push(i);
}
return map;
};
morpheus.VectorUtil.createValuesToIndexMap = function (vectors) {
var map = new morpheus.Map();
var nvectors = vectors.length;
if (vectors[0] == null) {
throw 'no vectors found';
}
for (var i = 0, nitems = vectors[0].size(); i < nitems; i++) {
var array = [];
for (var j = 0; j < nvectors; j++) {
var vector = vectors[j];
var val = vector.getValue(i);
array.push(val);
}
var key = new morpheus.Identifier(array);
map.set(key, i);
}
return map;
};
morpheus.VectorUtil.containsMoreThanOneValue = function (vector) {
return morpheus.VectorUtil.containsMoreThanNValues(vector, 1);
};
......@@ -156,36 +231,7 @@ morpheus.VectorUtil.containsMoreThanNValues = function (vector, n) {
}
return false;
};
morpheus.VectorUtil.createValueToIndexMap = function (vector) {
var map = new morpheus.Map();
for (var j = 0, size = vector.size(); j < size; j++) {
var val = vector.getValue(j);
map.set(val, j);
}
return map;
};
morpheus.VectorUtil.getValues = function (vector, excludeNull) {
var set = new morpheus.Set();
for (var j = 0, size = vector.size(); j < size; j++) {
var val = vector.getValue(j);
if (excludeNull && val == null) {
continue;
}
set.add(val);
}
var array = set.values();
array.sort(morpheus.SortKey.ASCENDING_COMPARATOR);
return array;
};
morpheus.VectorUtil.getSet = function (vector) {
var set = new morpheus.Set();
for (var j = 0, size = vector.size(); j < size; j++) {
set.add(vector.getValue(j));
}
return set;
};
morpheus.VectorUtil.createSpanMap = function (vector) {
var previous = vector.getValue(0);
// find 1st row with different value
......
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