change tensorflow version

Author: risenW

danfojs/src/core/frame.js

@@ -1,7 +1,7 @@
 import Ndframe from "./generic"
 import { Series } from "./series"
-import * as tf from '@tensorflow/tfjs-node'
-// import * as tf from '@tensorflow/tfjs'
+// import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 import { Utils } from "./utils"
 import { GroupBy } from "./groupby"
 

danfojs/src/core/generic.js

@@ -1,5 +1,5 @@
-import * as tf from '@tensorflow/tfjs-node'
-// import * as tf from '@tensorflow/tfjs'
+// import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 import { table } from 'table'
 import { Utils } from './utils'
 import { Configs } from '../config/config'

danfojs/src/core/series.js

@@ -1,6 +1,6 @@
-import * as tf from '@tensorflow/tfjs-node'
+// import * as tf from '@tensorflow/tfjs-node'
 import { std, variance } from 'mathjs'
-// import * as tf from '@tensorflow/tfjs'
+import * as tf from '@tensorflow/tfjs'
 import { Utils } from "./utils"
 import { Str } from "./strings"
 import NDframe from "./generic"
@@ -973,9 +973,10 @@ export class Series extends NDframe {
      * @return {Number}
      */
     argmax() {
-        let sorted_index = this.sort_values({ ascending: true }).index
-        let last_idx = sorted_index[sorted_index.length - 1]
-        return last_idx
+        // let sorted_index = this.sort_values({ ascending: true }).index
+        // let last_idx = sorted_index[sorted_index.length - 1]
+        return this.values.map((x, i) => [x, i]).reduce((r, a) => (a[0] > r[0] ? a : r))[1];
+        // return last_idx
     }
 
 

danfojs/src/core/utils.js

@@ -1,5 +1,5 @@
-import * as tf from '@tensorflow/tfjs-node'
-// import * as tf from '@tensorflow/tfjs'
+// import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 import { Configs } from '../config/config'
 
 

danfojs/src/io/reader.js

@@ -1,5 +1,5 @@
 import { DataFrame } from '../core/frame'
-import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 import fetch from "node-fetch"
 import fs from 'fs'
 

danfojs/src/preprocessing/scalers.js

@@ -1,4 +1,4 @@
-import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 import { Series } from "../core/series"
 import { DataFrame } from "../core/frame"
 import { Utils} from "../core/utils"

danfojs/src/preprocessing/text.js

@@ -1,7 +1,7 @@
 import { assert } from "chai"
 import { Series } from '../../src/core/series'
-import * as tf from '@tensorflow/tfjs-node'
-// import * as tf from '@tensorflow/tfjs'
+// import * as tf from '@tensorflow/tfjs-node'
+import * as tf from '@tensorflow/tfjs'
 
 
 
@@ -125,7 +125,7 @@ describe("Series", function () {
             let data2 = [1, 2, 3, 4, 5, 6]
             let sf = new Series(data)
             let sf2 = new Series(data2)
-            assert.throws(() => { sf.add(sf2) }, Error, " Incompatible shapes: [4] vs. [6]")
+            assert.throws(() => { sf.add(sf2) }, Error, "Operands could not be broadcast together with shapes 4 and 6")
         })
 
     })
@@ -155,7 +155,7 @@ describe("Series", function () {
             let data2 = [1, 2, 3, 4, 5, 6]
             let sf = new Series(data)
             let sf2 = new Series(data2)
-            assert.throws(() => { sf.sub(sf2) }, Error, " Incompatible shapes: [4] vs. [6]")
+            assert.throws(() => { sf.sub(sf2) }, Error, "Operands could not be broadcast together with shapes 4 and 6")
         })
 
     })
@@ -398,7 +398,7 @@ describe("Series", function () {
         it("Computes the descriptive statistics on an int Series", function () {
             let data1 = [10, 45, 56, 25, 23, 20, 10]
             let sf = new Series(data1)
-            assert.deepEqual(sf.describe().values, [7, 27.000001907348633, 17.378147196982766, 10, 23, 56, 302])
+            assert.deepEqual(sf.describe().values, [7, 27, 17.378147196982766, 10, 23, 56, 302])
         })
         it("Computes the descriptive statistics on a float Series", function () {
             let data1 = [30.1, 40.2, 3.1, 5.1]