[R-sig-eco] beeswarm plot

[HMariam Abrha]

Hello,
I am a PhD student at UNISA, South Africa. I wanted to analyze an
environmental data using R. I actually wanted to plot a beeswarm just to
show a distribution of my data in relative to certain factor. I have 4
drugs and their concentration in influent and effluent wastewater from
wastewater treatment plant. I have tried to read the examples online and I
can not get it (I can not plot it).
I saved my data as...Occurrence in local disk "C" and folder called "R".
I entered the following command
beeswarm(Concentration~drug, data=Occurrence, log=TRUE, pch=42,
col=rainbow(8))
and I am getting the following error
"Error in eval(m$data, parent.frame()) : object 'Occurrence' not found"

 Can you please help as to how I should save my data and enter the command
so that I will be able to plot? I have tried many ways by just looking at
the examples given online.
 Please find my data attached.
Best regards,
-- 
Hailemariam Abrha (M.Sc)
Lecturer, Department of Pharmaceutical Chemistry and Pharmacognosy
College of Health Sciences, Addis Ababa University
P.O.Box-1176
and
PhD student at , NanoWS,UNISA, South Africa

email: hmariam.abrha at aau.edu.et or hailye34 at yahoo.com
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	KTZ		FCZ		CLZ		MCZ														
Influent	Effluent	Influent	Effluent	Influent	Effluent	Influent	Effluent														
2	2	20	16	6.7	2.7	78.9	35.7														
7	2.3	20	28	11	3	337.9	3														
16	8	32	28	12	5	54.9	0.89														
18.8	10	34	31	23	5	67.6	4.6														
19.5	12.4	39	35	25	5	19.2	1.6														
44	15	41	36	30	5.9	69.4	2.27														
51.6	17	42	37	31	6	38.8	0.5														
55	21.2	46	39	31	6	38.3	11														
56.3	23	54	40	33	8	1.1	12														
58	27	59	42	33	8	30	12														
58.1	34	61	48	39	8	20	15														
66.6	34.8	65.1	52	42	9	43	0.25														
72	36	83	61.1	43	9.4	55	0.87														
73	70	85	63	44	9.4	30	0.25														
77	NA	86	67	47	9.7	80	0.9														
90	NA	88	69	48	10	6	3.2														
91.6	NA	90	70	49	10.6	11.3	2.5														
102	NA	90	72	71	11	6	9														
110	NA	93	83	74	11.5	11.3	9														
191	NA	94.9	95	78	12.7	16.5	NA														
NA	NA	109	100	80	12.9	12.5	NA														
NA	NA	120	100	232	14	NA	NA														
NA	NA	158.5	140	500	14.1	NA	NA														
NA	NA	163.3	151.3	650	14.6	NA	NA														
NA	NA	167.5	162.5	900	15	NA	NA														
NA	NA	388	163	NA	16.7	NA	NA														
NA	NA	448	793	NA	19.6	NA	NA														
NA	NA	583	NA	NA	21.2	NA	NA														
NA	NA	1710	NA	NA	21.6	NA	NA														
NA	NA	NA	NA	NA	24.2	NA	NA														
NA	NA	NA	NA	NA	26.2	NA	NA														
NA	NA	NA	NA	NA	27	NA	NA														
NA	NA	NA	NA	NA	27.8	NA	NA														
NA	NA	NA	NA	NA	29	NA	NA														
NA	NA	NA	NA	NA	30.6	NA	NA														
NA	NA	NA	NA	NA	30.7	NA	NA														
NA	NA	NA	NA	NA	31.1	NA	NA														
NA	NA	NA	NA	NA	34	NA	NA														
NA	NA	NA	NA	NA	300	NA	NA														
NA	NA	NA	NA	NA	475	NA	NA														
NA	NA	NA	NA	NA	1200	NA	NA														
NA	NA	NA	NA	NA	8650	NA	NA