import pandas as pd
import os
import glob
from pathlib import Path
import matplotlib
import matplotlib.pylab as plt
import missingno as msno
df = pd.concat(map(lambda file: pd.read_csv(file,index_col=False), glob.glob(os.path.join(output_csv_path, "*.csv"))))
missingdata_df = df.columns[df.isnull().any()].tolist()
msno.matrix(df[missingdata_df])
msno.heatmap(df[missingdata_df], figsize=(20,20))

import dask
import dask.dataframe as dd
import pandas as pd
import os
import glob
from pathlib import Path
import matplotlib
import matplotlib.pylab as plt
import missingno as msno
df= dd.read_csv('C:/Users/zeba.anjum/Documents/Output files/*.csv')
missingdata_df = df.columns[df.isnull().any()].tolist()
msno.matrix(df[missingdata_df])
msno.heatmap(df[missingdata_df], figsize=(20,20))

runfile('C:/Users/zeba.anjum/Documents/Python code/data_visualization_dask.py', wdir='C:/Users/zeba.anjum/Documents/Python code')
Reloaded modules: UTCts_to_datetime
Traceback (most recent call last):

  File "<ipython-input-8-a9679b2c04a9>", line 1, in <module>
    runfile('C:/Users/zeba.anjum/Documents/Python code/data_visualization_dask.py', wdir='C:/Users/zeba.anjum/Documents/Python code')

  File "C:Anacondalibsite-packagesspyderutilssitesitecustomize.py", line 705, in runfile
    execfile(filename, namespace)

  File "C:Anacondalibsite-packagesspyderutilssitesitecustomize.py", line 102, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "C:/Users/zeba.anjum/Documents/Python code/data_visualization_dask.py", line 34, in <module>
    msno.matrix(df[missingdata_df])

  File "C:Anacondalibsite-packagesmissingnomissingno.py", line 61, in matrix
    ax0.imshow(g, interpolation='none')

  File "C:Anacondalibsite-packagesmatplotlib__init__.py", line 1855, in inner
    return func(ax, *args, **kwargs)

  File "C:Anacondalibsite-packagesmatplotlibaxes_axes.py", line 5487, in imshow
    im.set_data(X)

  File "C:Anacondalibsite-packagesmatplotlibimage.py", line 645, in set_data
    self._A = cbook.safe_masked_invalid(A, copy=True)

  File "C:Anacondalibsite-packagesmatplotlibcbook__init__.py", line 1364, in safe_masked_invalid
    x = np.array(x, subok=True, copy=copy)

MemoryError

Traceback (most recent call last):

  File "<ipython-input-7-a9679b2c04a9>", line 1, in <module>
    runfile('C:/Users/zeba.anjum/Documents/Python code/data_visualization_dask.py', wdir='C:/Users/zeba.anjum/Documents/Python code')

  File "C:Anacondalibsite-packagesspyderutilssitesitecustomize.py", line 705, in runfile
    execfile(filename, namespace)

  File "C:Anacondalibsite-packagesspyderutilssitesitecustomize.py", line 102, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "C:/Users/zeba.anjum/Documents/Python code/data_visualization_dask.py", line 32, in <module>
    msno.matrix(df[missingdata_df])

  File "C:Anacondalibsite-packagesmissingnomissingno.py", line 40, in matrix
    height = df.shape[0]

  File "C:Anacondalibsite-packagesdaskdataframecore.py", line 2414, in __getattr__
    raise AttributeError("'DataFrame' object has no attribute %r" % key)

AttributeError: 'DataFrame' object has no attribute 'shape'